Negative results for all antigen tests are considered presumptive negative. Twu(\UaZUI(> _gFRc#%|X,|ZR}dr03-KPmkr%e;)Qls{|)wse qm.m)QMluB |/e_"utn.@#8yS. u65z W^nphgs?8fOvVygc_ Additionally, your local health department may also contact you. A positive antigen test result is considered accurate when instructions are carefully followed. The FDA regulates COVID-19 diagnostic tests as in vitro diagnostic devices and has provided recommendations and information regarding EUA requests for COVID-19 diagnostic tests in the EUA templates referenced in the Policy for Coronavirus Disease-2019 Tests. %PDF-1.6 % You can review and change the way we collect information below. The term point-of-care (POC) in the EUAs may include settings such as hospitals, physician offices, urgent care, outreach clinics, pharmacies, and temporary patient care settings that have appropriately trained personnel to perform the test and are operating under a CLIA Certificate of Waiver or Certificate of Compliance. If you are feeling symptoms (fevers, chills, cough, shortness of . NOTE: The incubation period for COVID-19 is between 2-14 days. A negative test result (also referred to as not detected) means that COVID-19 virus was not detected in your specimen at the time of your test. Laboratories authorized to use such tests are subject to various conditions that can be found in the EUA. Additionally, your local health department may also contact you. Facilities, including point-of-care settings such as health clinics, that perform COVID-19 testing must be certified as a laboratory under the Clinical Laboratory Improvement Amendments, or. Tests that are noted with an "H" and "M" in the Authorized Settings may be performed in laboratories certified under CLIA to perform high complexity and/or moderate complexity tests. Laboratories performing molecular diagnostic COVID-19 tests for the qualitative detection of SARS-CoV-2 report test results as being positive or negative. Copyright 2020 Scripps Media, Inc. All rights reserved. Resources for persons who have tested positive for COVID-19. The CDPH Color Laboratory Network (CLN) is responsible for processing all samples within 48 hours of receipt. Test accuracy for asymptomatic cases is unclear as it is not known where they are in the disease timeline. %%EOF (9/27/22), Q: What is the difference between diagnostic, screening, and surveillance testing for COVID-19? Nausea or vomiting. This result suggests that you have not been infected with the COVID-19 virus. This blood test is not used to diagnose active COVID-19. A positive PCR test does not yield any information about potential immunity. In this context, "confirmation" does not require documentation of the type of test performed; the provider's documentation that the individual has COVID-19 is sufficient. endstream Negative results mean that the virus was not detected at the time of the tests. Tests that are noted with an "H" in the Authorized Settings are limited to use in laboratories certified under CLIA that meet requirements to perform high-complexity tests. CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES? CDC recommends confirming negative antigen test results with a PCR test especially if you are symptomatic or had a known exposure to a person confirmed to have COVID-19. If you need to go back and make any changes, you can always do so by going to our Privacy Policy page. endstream endobj 153 0 obj <>>> endobj 154 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/TrimBox[0 0 612 792]/Type/Page>> endobj 155 0 obj <>stream A positive test result (also referred to as detected) means that the COVID-19 virus was detected in your specimen. In cases of discordant test results from different types of tests, results from laboratory-based NAATs should be prioritized over any POC or self-administered test. Patients can also access their results by clicking on the link from their email or text notification. You should self- isolate. (o;FP{YUQ@n(VA9\ !Ci"MV}4j+(Tu:0klM %%EOF 209 0 obj <>stream Negative test result True negative: You are not currently infected. For example, a test run in a lab affiliated with MaineHealth would be labeled as presumptive positive. Saliva is an acceptable specimen type for SARS-CoV-2 testing, and some NAATs have been authorized for use with saliva specimens that provide definitive diagnostic and screening results. See CDCs Collecting and Handling of Clinical Specimens for COVID-19 Testing. There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Isolation means you stay home and away from others (including household members) for the recommended period of time to avoid spreading illness. There are three levels the CDC uses to classify a potential case of COVID-19: Coronavirus cases reported to the CDC include both CDC-confirmed cases and presumptive positive cases reported by the states. A Nucleic Acid Amplification Test, or NAAT, is a type of viral diagnostic test for SARS-CoV-2, the virus that causes COVID-19. That test would then need to be sent to a state or federal lab to be confirmed as positive . If you have symptoms: You may have COVID-19, but tested before the virus was detectable, or you may have another illness. If the patient loses their Color barcode for their test, they can call the Color support hotline. x+c*;@TD @ * Tests authorized for home use can generally also be used for self-testing in settings outside of the home, such as offices or schools. 180 0 obj <>/Filter/FlateDecode/ID[]/Index[152 58]/Info 151 0 R/Length 122/Prev 206083/Root 153 0 R/Size 210/Type/XRef/W[1 3 1]>>stream Asymptomatic individuals with presumptive negative tests in a congregate setting outbreak investigation with confirmed cases may need confirmatory NAAT/PCR testing. H3tn:3W6D9/L@pUP; O endstream endobj startxref It could also mean you are infected with COVID, but the sample that was taken for testing only captured a minimal amount of the virus when swabbing. What does it mean if the specimen tests negative for the virus that causes COVID-19? @/w>9;!+yL *(&FnL1|0F+kQ\ C5z+]zTm,K6 1jSNl&\UNQ2S5}]Ls(eqP6-6XzEo6fyGc^@\fT[xy5BlJRy{j[PL|4`s4_}NZ}71uW@1;[l&ktgO8\7{f9U{)>)q| The .gov means its official.Federal government websites often end in .gov or .mil. 0 Under CLIA regulatory requirements, such laboratories must have a written or electronic request for patient testing from an individual authorized under State law to order tests and/or receive test results. Screening testing for COVID-19 looks for infections in individual people even if there is no reason to suspect the specific person has an infection or known COVID-19 exposure. Note: For sites without a shared provider, patients with positive test results who do not check their test results on the Color website will receive up to 10 autodial attempts from the states clinical call center within 48 hours to ensure they receive their test results. A: No, antibody testing should not be used to assess immunity to COVID-19. You will not receive a reply. Negative results: With a high likelihood, the results state you were not infected with Sars-CoV-2 at the time of testing. They help us to know which pages are the most and least popular and see how visitors move around the site. True negative: You are not currently infected. Congestion or runny nose. endstream endobj hbbd```b``f K@$ND(Ig0 99 0 obj <>stream Amplifying those nucleic acids enables NAATs to detect very small amounts of SARS-CoV-2 RNA in a specimen, making these tests highly sensitive for diagnosing COVID-19. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. If POC NAATs do not deliver presumptive results, they can be used for confirmatory testing. Cookies used to make website functionality more relevant to you. It is very specific - it will be negative in >99.9% of people who did not have an infection. According to the Center for Disease Control (CDC), a presumptive positive result is when a patient has tested positive by a local public health laboratory, but results are still pending. Neither target 1 or target 2 were detected. Muscle or body aches. Quarantine means you stay home Can happen when the test is done too early to detect the disease or when sample collection is poor. Processing: Molecular tests detect whether there is genetic material from the virus. x1 AQ1DIt-~+qc U/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J R/ )@J _3 However, a negative result does not rule out 2019-nCoV infection and should not be used as the sole basis for treatment or patient management decisions. hb```c``zb 203 !+n@g;*:|$ 5131022%u?@L~,nCag`s 161 0 obj <>]/Filter/FlateDecode/BitsPerComponent 8/Length 2211/Height 275>>stream . endstream endobj 100 0 obj <>stream @HI(' You will be subject to the destination website's privacy policy when you follow the link. NAATs have been authorized for use in different settings, such as in laboratory facilities by trained personnel (laboratory-based) or in point-of-care (POC) settings. CDC is not responsible for Section 508 compliance (accessibility) on other federal or private website. The FDA generally does not regulate surveillance tests. The Louisiana Department of Health explains that a 'presumptive positive' case is conducted by the State Lab in Baton Rouge, and 'presumptive' becomes 'confirmed' after the state's test is . Isolation is what you do if you have COVID-19 symptoms, or have tested positive for COVID-19. A presumptive positive test result (also known as inconclusive or indeterminate) indicates that you had a marginal trace of the COVID-19 virus in your specimen. This COVID-19 test detects certain proteins in the virus. Is generally used to monitor for an occurrence, such as an infectious disease outbreak, in a population or community, or to characterize the occurrence once detected, such as looking at the incidence and prevalence of the occurrence. A: Diagnostic testing for COVID-19 looks for infections in individual people when there is a reason to suspect that a specific person may be infected. A negative test result for this test means that 2019-nCoV RNA was not present in the specimen above the limit of detection. Surveillance testing for COVID-19 includes ongoing systematic activities, including collection, analysis, and interpretation of health-related data, essential to planning, implementing, and evaluating public health practice. Negative results mean that the virus was not detected at the time of the tests. Your healthcare provider may recommend testing for COVID-19 if you have any of the following symptoms: Fever or chills. New loss of taste or smell. Spanish and other languages are available on these calls through the language line. A blood test detects antibodies to the virus that usually start to appear when a person is recovering. %PDF-1.6 % This includes testing people with signs or symptoms of infection and people without symptoms who have a recent known or suspected COVID-19 exposure. For COVID-19, a negative or not detected test result for a sample collected while a person has symptoms usually means that COVID-19 did not cause your recent illness. The FDA will likely authorize additional NAAT methods in the future. If a person receives two or more discordant laboratory-based NAAT results within a 48-hour period, the person should contact a healthcare provider or the local or state health department for test interpretation and clinical guidance on what steps to take. hb```f``z B@Q99 rbxdz\6v%ld9N_P[TT^^@.#*mZdg`~}Hk6RSlw0dxkq',,X|gg@rKbU7DfdeTeP;T-@2e`[xXx\&~ L COVID-19 tests authorized for use without a prescription include the attribute "DTC" (for direct-to-consumer home collection tests) or "OTC" (for over-the-counter at-home tests) in the EUA tables on the In Vitro Diagnostics EUA page. Tests that are noted with a "W" in the Authorized Settings are deemed to be CLIA-waived for use in patient care settings operating under a CLIA Certificate of Waiver. Each EUA-authorized test has a Letter of Authorization (LOA) and Instructions for Use (or an EUA Summary for tests developed by a laboratory) available on the In Vitro Diagnostics EUA page that states if the test requires a prescription. CDC twenty four seven. This may mean you are either very early in your COVID infection and the amount of virus is just beginning to rise, or you are later in your COVID infection and the overall amount of virus is declining. 182 0 obj <> endobj A sample taken from a person that is shown be presumptive positive is labeled that way if the sample was tested by a lab not run by the state of Maine. Can happen when the test is done too early to detect the disease or when sample collection is poor. cHHDq&xAG"H{'x)&2 For additional details on testing results and steps to take while awaiting results, please see this link. Some NAATs can even be self-administered at home or in other non-healthcare locations. endstream endobj 183 0 obj <. (9/27/22), Research Testing and Clinical Laboratory Improvement Amendments of 1988 (CLIA) Regulations, Frequently Asked Questions: SARS-CoV-2 Surveillance Testing, Q: Can laboratories report Ct values for authorized molecular diagnostic COVID-19 tests? xA 0 @L These documents include FDA requirements regarding ordering the test. A: Each Emergency Use Authorization (EUA) for a COVID-19 test includes the settings in which the test is authorized. endobj The SARS-CoV-2 Nucleocapsid Antibody, IgG test is very sensitive - validation by our laboratory showed that by fourteen days after a positive acute COVID-19 diagnostic test (PCR) 100% of patients have a positive antibody test. It does not test for immunity or if you had the virus in the past. Bva[VHYysKCm]m8B:n=r?7")Lj! e Cookies used to track the effectiveness of CDC public health campaigns through clickthrough data. Saving Lives, Protecting People, Given new evidence on the B.1.617.2 (Delta) variant, CDC has updated the, The White House announced that vaccines will be required for international travelers coming into the United States, with an effective date of November 8, 2021. 122 0 obj <>/Filter/FlateDecode/ID[<9ABF9AAAC6BD644799536C23185BF49D>]/Index[88 61]/Info 87 0 R/Length 147/Prev 111411/Root 89 0 R/Size 149/Type/XRef/W[1 3 1]>>stream The site is secure. Almost all positive results are true positives. h[\J=Zv/! G-mQJ0=AV#H}beV`@u.Y%37+\[,_AA04Ge5H ^@#Zd>4grjM|$Y)n+BQ6hy c,O If symptoms . {`@eL*)H&rv8!SWPhRWNozhbC%`iUrnP.m /^c^x%]?{?%SL~q9l?>/'|? NAATs for SARS-CoV-2 specifically identify the RNA (ribonucleic acid) sequences that comprise the genetic material of the virus. Viral tests, including Nucleic Acid Amplification Tests (NAATs, such as Reverse Transcription - Polymerase Chain Reaction), antigen tests and other tests (such as breath tests) are used as diagnostic tests to detect current infection with SARS-CoV-2 and to inform an individual's medical care. A 1 Identify testing demand and complete application, Identify testing demand in your community or organization, 6 Ship collected samples for processing. Some examples of diagnostic testing include testing symptomatic individuals presenting to their healthcare provider, testing individuals who indicate that they were exposed to an individual with a confirmed or suspected case of COVID-19, and testing all individuals present at an event where an attendee was later confirmed to have COVID-19. &&$I>9`2D`2DJm Tests noted with an "H," "M," and "W" may be used in laboratories certified under CLIA that meet requirements to perform high complexity and/or moderate complexity tests and in patient care settings operating under a CLIA Certificate of Waiver. Does not involve reporting test results to a patient or their health care provider. Patients can use their date of birth and the barcode number associated with their sample (which is provided on a take-away card for sites that will be provided kits by the state) to access their results through Colors HIPAA compliant . Thank you for taking the time to confirm your preferences. Ff!T8$I$I$I Research is underway to find out whether antibodies protect you from future infections. kHUk 2XMdTpHj01D^|&mg`D/ >_ hbbd```b``@$YDL H= A Nucleic Acid Amplification Test, or NAAT, is a type of viral diagnostic test for SARS-CoV-2, the virus that causes COVID-19. The FDA regulates COVID-19 screening tests as in vitro diagnostic devices and has provided recommendations and information regarding EUA requests for COVID-19 screening tests in the EUA templates referenced in the Policy for Coronavirus Disease-2019 Tests. The tests detect a viral protein on the surface of the coronavirus. "They need to either read the . %PDF-1.6 % Generally, any time a patient-specific result is to be reported by a facility, it must first obtain a CLIA certificate appropriate to the test system the laboratory intends to use and meet all requirements to perform testing. 2ZQB;t/2l'.k_Zw*o}^wINXxae?9-Og?>:,8]p2ks;dvT5M[1q?iw4qYpri%w|4sj{W{UC.TKWwoDs}HgU3g?"\- ?|"S2V7C$yqy|33$S:Nix&u5 ( fIai6H2&3HsG&A"f h"nP+$md`V,8LO O 162 0 obj <>stream What does it mean if the specimen tests negative for 2019-nCoV? Presumptive positive: A presumptive positive test result (also known as inconclusive or indeterminate) indicates that you had a marginal trace of the COVID-19 virus . Those tested too early will be unaware of infection and may infect others, Up to half of those tested will get a false negative result and may infect others, May take longer to recover from severe disease. A positive test result (also referred to as detected) means that the COVID-19 virus was detected in your specimen. Questions and answers regarding other policies described in the Policy for Coronavirus Disease-2019 Tests are found in other pages in this section. A negative result using at-home COVID-19 antigen test means the test did not detect the virus that causes COVID-19, but it does not rule out COVID-19 because some tests may not. However, based on comments from the Biden administration, that too is set to expire on May 11. There is no risk of infecting others. False negative test result: unaware of their infection and could infect others. His boss, whom he admires, is waiting to meet with him about the big project. The NAAT procedure works by first amplifying or making many copies of the viruss genetic material, if any is present in a persons specimen. Tests offered prior to or without an EUA, as described in the Policy for Coronavirus Disease-2019 Tests, are limited, under CLIA, to use in laboratories certified under CLIA that meet requirements to perform high-complexity testing, including testing at the point-of-care (POC) where the site is covered by such a laboratory's CLIA certificate. Headache. &[}mfZ}S=%>/Flfv=s7na,p)lErpp.um%X=.;ukucWh}?M~rFm0lD$ZloL;s]D'b8L51~;tba5Z You can contact your medical provider or local health department authorities for further instructions. A presumptive positive test result means an individual has tested positive for the virus at a of or relating to a preliminary test indicating the absence of a substance or pathogen, but which requires confirmation by more rigorous laboratory analysis. NAATs detect genetic material (nucleic acids). An invalid test result (also referred to as failed or unsatisfactory) means that the lab was unable to confirm the presence or absence of COVID-19 in your specimen. Such tests include "Home Collection" in the Attributes column in the EUA tables. Ct values are not comparable between tests and may not be comparable between different lots of the same test, as they are dependent on various factors such as the specimen collection, storage, transport, time from collection, nucleic acid target, primers and probes, extraction method, amplification method, instruments used, etc. There is no risk of infecting others. A fact sheet from one of the manufacturers also reads "a negative result does not rule out COVID-19 and should not be used as the sole basis for treatment.". Is primarily used to gain information for a population of people (population level data), rather than for an individual person. As such, State licensing laws may need to be consulted to determine exactly who can use or order an EUA-authorized COVID-19 test. Cookies used to enable you to share pages and content that you find interesting on CDC.gov through third party social networking and other websites. Additionally, your local health department may also contact you. at the time of the test only. The FDA has also issued a number of EUAs for COVID-19 tests that may be used at home, which is stated in the EUA. %PDF-1.7 no viral or human nucleic acids were detected). COVID-19 resources and guidelines for labs and laboratory workers. A negative antigen test, however, should be "presumptive" in most cases, the CDC says, and may require additional confirmation . All information these cookies collect is aggregated and therefore anonymous. hVn8:$@iAC%&FPr/`H9sHd)2b MVuir Dictionary.com Unabridged are negative. If you used an antigen test, see FDA instructions on repeat testing. A negative test result means that antigen for COVID-19 was not detected in the specimen. See Antibody (Serology) Testing for COVID-19: Information for Patients and Consumers for more information. This means the sample is from an infected individual. )/6MzB&mC`Eiu2-Ec0 -E,=L F+Z The primers only amplify genetic material from the virus, so it is unlikely a sample will be positive if viral RNA is not present. This page is part of the FAQs on Testing for SARS-CoV-2 and provides answers to frequently asked questions related to uses for different types of COVID-19 tests and the settings in which they can . The policies regarding offering a COVID-19 test prior to an EUA have never applied to at-home tests or tests with home specimen collection, or any testing outside of a high-complexity CLIA-certified laboratory. For purposes of entry into the United States, vaccines accepted will include FDA approved or authorized and WHO Emergency Use Listing vaccines. Coronavirus (COVID-19) and Medical Devices, Recalls, Market Withdrawals and Safety Alerts, Coronavirus (COVID-19) and Medical Devices, Counterfeit At-Home OTC COVID-19 Diagnostic Tests, At-Home COVID-19 Diagnostic Tests: Frequently Asked Questions, Blood Specimen Collection Tube Shortage: Frequently Asked Questions, Antibody (Serology) Testing for COVID-19: Information for Patients and Consumers, Emergency Use Authorization of COVID-19 Tests: Independent Assessment of the FDAs Response, Face Masks, Barrier Face Coverings, Surgical Masks, and Respirators for COVID-19, Medical Device Supply Chain Notifications During the COVID-19 Pandemic, Medical Device Shortages During the COVID-19 Public Health Emergency, Supplies of Medical Devices for COVID-19: Frequently Asked Questions, Medical Device Types to Help Determine Section 506J Notification Obligations, Non-contact Temperature Assessment Devices During the COVID-19 Pandemic, Adverse Event Reporting for Medical Devices Under Emergency Use Authorization (EUA) or Discussed in COVID-19-Related Guidance Documents, Contacts for Medical Devices During the COVID-19 Pandemic, COVID-19 Test Uses: FAQs on Testing for SARS-CoV-2, Policy for Coronavirus Disease-2019 Tests, Q: In what settings can COVID-19 tests be offered or used? Using a long nasal swab to get a fluid sample, some antigen tests can produce results in minutes. Sa jnhB@%-">9Qt-=A2"JUk[0jmr*"JF=AB/(VU-X.UFM YN)&p=J\fe)P@{)==m:-{X~i]I7''h5 uE If POC NAATs do not deliver presumptive results, they can be used for confirmatory testing. hLak0b If your antibody test result was negative, this means that the test did not detect any COVID-19 antibodies in your blood. CDC recommends collecting and testing an upper respiratory specimen, such as nasopharyngeal, nasal mid-turbinate, or anterior nasal, when using NAATs for confirmatory testing. Download in PDF format Id5 l-,Q*5dr\$5p%l) ^@" A: ^R@(*T8@Omb0 !? :$v6r~'2U>g{,~|al6~,y3[4WwCno2Gn@eY6Tfb.N()5(3/_Y*)h(bVanQmM"uU(|#8Z4 Unless and until an EUA is issued that authorizes additional testing environments for a specific test, under the Clinical Laboratory Improvement Amendments (CLIA), section 353 of the Public Health Service Act (42 USC 263a), use of that test is limited to laboratories that are certified under CLIA, and meet the requirements to perform tests of high-complexity, and at the point-of-care (POC) when covered by such a laboratory's CLIA certificate. NAATs for SARS-CoV-2 test specimens from either the upper or lower respiratory tract. A positive result happens when the SARS-CoV-2 primers match the DNA in the sample and the sequence is amplified, creating millions of copies. endstream endobj startxref What do results mean for a COVID-19 PCR test? Shortness of breath or difficulty breathing. After the Bell County Public Health Department reported their first "presumptive positive" case of COVID-19, some viewers were left wondering what that actually means. The level of sensitivity for the detection of SARS-CoV-2 genetic material in a specimen also varies depending on the methods and application of the NAAT. False negative: You are infected, but test negative. If the testing environment does not have the resources or the ability to access laboratory-based NAATs, POC NAATs can also be used for confirmatory testing. Give Light and the People Will Find Their Own Way. Test accuracy based on a 5-day incubation period from exposure to symptoms. His boss, who he admires, is waiting to meet with him about the big project. Such laboratories may perform tests for which they meet the qualifications of the authorized settings included in the EUA. 88 0 obj <> endobj Sore throat. As such, employers may wish to take stock of their COVID-19 policies and reevaluate . This page is part of the FAQs on Testing for SARS-CoV-2 and provides answers to frequently asked questions related to uses for different types of COVID-19 tests and the settings in which they can be used. For enquiries,contact us. 1m;aQO1o.dOYHB3Rx X9Rg^Mg9Q1R|k5ROVK! The test is an aid for diagnosis of COVID-19/Influenza A+B and only provides a presumptive test result for the SARS-CoV-2, influenza A and influenza B virus. This includes broad screening of people without symptoms (asymptomatic) without known exposure to COVID-19 with the intent of making individual decisions based on the test results. For more information on CMS and CLIA policies, including policies during the COVID-19 public health emergency, see: A: Yes. qX xrQGH6n[G? What does a negative result on a home Covid-19 test really mean? The Authorized Setting for such tests is noted as "Home" in the EUA tables. In other words, NAATs can reliably detect small amounts of SARS-CoV-2 and are unlikely to return a false-negative result of SARS-CoV-2. S knjOysbSM$hoQc_=yICS~?{!>o7QmZ&&ddN CYb5A>;+SGc"obM5I{>hP85:dBAl hb``P```:8]01G3033}] /p{O_krX#*#o(rJ1Ap;g>H310^=TU ]t{U%BM**W8;Q~l!BdyZ!6qDww7OP 5FSP{G29$dUZ|_"%N/5o5mrgUj 'FX|kq If Your COVID-19 Test is Negative A negative COVID-19 test means the test did not detect the virus, but this doesn't rule out that you could have an infection. These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. However, a negative result on an initial NAAT followed by a positive result on a subsequent test does not necessarily mean a person has been reinfected, as this can occur due to intermittent detection of viral RNA. More details about the COVID-19 Test, including a Patient Fact Sheet, are available at: https://www . More information is available, Recommendations for Fully Vaccinated People, Collecting and Handling of Clinical Specimens for COVID-19 Testing, National Center for Immunization and Respiratory Diseases (NCIRD), FAQ: Multiplex Assay for Flu and SARS-CoV-2 and Supplies, Hospitalization Surveillance Network COVID-NET, Laboratory-Confirmed Hospitalizations by Age, Demographics Characteristics & Medical Conditions, Seroprevalence Surveys in Special Populations, Large-Scale Geographic Seroprevalence Surveys, Investigating the Impact of COVID-19 During Pregnancy, Hospitalization and Death by Race/Ethnicity, People with Intellectual & Developmental Disabilities, U.S. Department of Health & Human Services, Clarified the differences between laboratory-based and point-of-care NAATs, Reverse transcription polymerase chain reaction, Nicking endonuclease amplification reaction, Clustered regularly interspaced short palindromic repeats, Updated to explain why oral specimens are not appropriate for confirmatory testing.
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