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"The PCR test detects the virus's genetic material and can stay positive for up to 90 days, even if you’re no longer contagious," explains Dr. Raj Dasgupta, MD, a quadruple board-certified ...
How long are you going to test positive for COVID after taking a test? Two experts weigh in, and advise on testing and isolation guidelines to follow.
A person may test positive because they are still shedding viable virus, or it could be viral debris that is being picked up by the test, says Amesh A. Adalja, M.D., senior scholar at the Johns ...
Most people will stop testing positive on a rapid antigen COVID-19 test within about 10 days, Cardona says. "Within 10 days after your initial positive test, you should convert back to negative ...
Flattening the curve is a public health strategy to slow down the spread of an epidemic, used against the SARS-CoV-2 virus during the early stages of the COVID-19 pandemic. The curve being flattened is the epidemic curve , a visual representation of the number of infected people needing health care over time.
As recently as February, a positive rapid test would’ve meant five days of isolation, away from work, school, and/or other obligations that involve going out in public. Not anymore. Not anymore.
The protease is important in the processing of the coronavirus replicase polyprotein . It is the main protease in coronaviruses and corresponds to nonstructural protein 5 (nsp5). [6] It cleaves the coronavirus polyprotein at 11 conserved sites. The 3CL protease has a cysteine-histidine catalytic dyad at its active site. [4]
The general stages of seroconversion for hepatitis B, where the line of detectability indicates seropositivity. In immunology, seroconversion is the development of specific antibodies in the blood serum as a result of infection or immunization, including vaccination.