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What Are The Differences Between The Nasal Swab And Saliva Tests For COVID-19?

COVID-19Common questionSee full answerWhat are the differences between the nasal swab and saliva tests for COVID-19?Samples for COVID-19 tests may be collected through a long swab that is inserted into the nose and sometimes down to the throat, or from a saliva sample.The saliva test is easier to perform — spitting into a cup versus submitting to a swab — and more comfortable. Because a person can independently spit into a cup, the saliva test does not require interaction with a healthcare worke

Are there different types of COVID-19 diagnostic tests?

There are 2 different types of COVID-19 diagnostic tests -- molecular tests and antigen tests. Molecular tests detect the virus that causes COVID-19, SARS-CoV-2. Antigen tests detect specific proteins made by the virus.

COVID-19 Frequently Asked Questions | FDA

Is the PCR test for COVID-19 accurate?

PCR tests remain the gold standard for detecting an active COVID-19 infection. The tests have accurately detected COVID-19 cases since the pandemic began. Highly trained clinical professionals are skilled at correctly interpreting PCR test results and notices like this one from the WHO.

PCR test recall: Can PCR tests tell the difference between COVID-19 and the flu?

What are consequences of a false negative COVID-19 test?

Risks to a patient of a false negative test result include: delayed or lack of supportive treatment, lack of monitoring of infected individuals and their household or other close contacts for symptoms resulting in increased risk of spread of COVID-19 within the community, or other unintended adverse events.

CDC 2019 Novel Coronavirus (nCoV) Real-Time RT-PCR Diagnostic Panel - Healthcare Provider Fact Sheet

What kind of sample is used to test for COVID-19?

See full answerSwab samples use a swab (similar to a long Q-Tip) to collect a sample from the nose or throat. The types of samples include:•Anterior Nares (Nasal) – takes a sample from just inside the nostrils•Mid-turbinate – takes a sample from further up inside the nose•Nasopharyngeal – takes a sample from deep inside the nose, reaching the back of the throat•Oropharyngeal – takes a sample from the middle part of the throat (pharynx) just beyond the mouthSaliva samples are collected by spittin

Coronavirus Disease 2019 Testing Basics | FDA