Medically reviewed by Jordana Haber Hazan, MD Key Takeaways PCR tests are very accurate and can find the virus even in people without symptoms.Rapid tests can be done at home and show results in ...
The newly updated CDC guidelines don't require testing at the end of isolation because PCR tests can stay positive for up to 12 weeks, CDC Director Dr. Rochelle Walensky told "Good Morning America" on ...
PCR processes are the diagnostic gold standard when it comes to identifying coronavirus infections. Unlike rapid antigen tests, they function even in the case of a low viral load and detect the ...
In Germany, the activity of acute respiratory diseases is at a higher level than usual for this time of year because of rhinoviruses and SARS-CoV-2, according to the Robert Koch Institute, Germany. If ...
More people are receiving multiple negative COVID tests before finally testing positive following exposure or symptoms with newer subvariants circulating, Chicago's top doctor said Thursday. The ...