BOSTON (CBS) — Dr. Mallika Marshall is answering your coronavirus-related medical questions. If you have a question, email her or message her on Facebook or Twitter. Dr. Mallika is offering her best ...

Recent research indicates these nasal swab tests may be less sensitive to the coronavirus’ omicron variant in the earliest days of infection. A BinaxNOW rapid COVID-19 test made by Abbott Laboratories ...

While they've been the gold standard to identify positive coronavirus cases around the world for more than a year, PCR tests still aren't trusted by some social media users. An Oct. 4 Instagram post ...

So, you've got your hands on a COVID-19 self-test because you think you, too, have been exposed to the virus as cases spiral upward in the nation, Ohio and Kentucky, and the Cincinnati region. These ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

Which is a more effective COVID-19 test? One administered through a person's nose or one that swabs the back of the mouth? Nasal swabs are less likely to detect the Omicron variant than swabs of the ...

The COVID-19 pandemic yielded important advances in testing for respiratory viruses, but it also exposed important unmet needs in screening to prevent the spread of infections in high-risk settings.

COVID-19 tests are in greater demand than ever, and new data about the Omicron variant can make picking and using different types of tests confusing. Molecular tests for COVID-19, like the "RT-PCR" ...

Preliminary evidence suggests that rapid tests like Abbott BinaxNOW and Quidel QuickVue struggle to detect the omicron variant during an individual’s first few days of infection. AzmanL via Getty ...