Environmental Detection of COVID-19
Experiments on aerosolized SARS-CoV-2 via PCR found that it was largely stable through 2-hours with slight decline at 3-hours Persistence of SARS-CoV-2 on surfaces varied from 3 hours to days
COVID-19
CDC Categories of COVID-19 Testing
Testing individuals with signs or symptoms consistent with COVID-19 Testing asymptomatic individuals with recent known or suspected exposure to SARS-CoV-2 to control transmission Testing asymptomatic individuals without known or suspected exposure to SARS-CoV-2 for early identification in special settings Testing to determine resolution of infection Public health surveillance for SARS-CoV-2 *Ultimate decisions about testing are …
Diagnostic Testing for COVID-19 (SARS-CoV-2)
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Antibody (Serology) Testing
Venous blood sampling for remote infection Detection of person’s immunity against the SARS-CoV-2 virus Surveillance: proportion of a population previously infected with SARS-CoV-2 Often used in conjunction with viral detection tests Test results dependent on patient’s immune response and time since infection
Viral Testing – Antigen Test
Respiratory sampling for current/active infection Detects viral nucleocapsid protein from SARS-CoV and SARS-CoV-2 Immunoassay technology, quick processing time A positive antigen test is highly accurate, but there is a higher chance of false negatives versus the PCR test
How to collect your anterior nasal swab sample for COVID-19 testing
Follow the instructions included with your sample kit. Use only materials provided in your kit to collect and store your sample, unless the kit says to do otherwise. Use only an approved sample collection kit given to you by your healthcare provider or personnel at the testing center.