Medically reviewed by Jordana Haber Hazan, MD Key Takeaways PCR tests are very accurate and can find the virus even in people ...

Since the emergence of COVID-19 in late 2019, the gold standard in testing for the disease has been a nuclear-derived technique: real-time reverse transcription–polymerase chain reaction, or real-time ...

H1N1 influenza cases are rising across India, with Delhi and Karnataka among the places reporting a sharp increase in ...

Add Yahoo as a preferred source to see more of our stories on Google. As the federal health emergency ended May 11 and COVID numbers are on the rise, here's how you can still access tests, at-home and ...

Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...

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They can result in false negatives, but they remain a valuable tool in stopping the spread of Covid-19. Here’s how to use them most effectively. By Dana G. Smith We’ve all heard the anecdotes: Your ...

“Infectious diseases don’t respect borders,” says Khoa Thai, a clinical microbiologist at the Star-shl medical diagnostics laboratory in the Netherlands. To limit their spread, we need a globally ...