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 ...

HOUSTON, Texas -- As things open back up, we're seeing some places require COVID-19 testing. At-home rapid COVID tests can produce results in minutes. To find out how they work and just how effective ...

It’s best to test for RSV soon after your symptoms start. That’s because you’ll likely have the most virus in your system then. As you get better, the amount of virus will go down. (Photo Credit: ...

It's been nearly four years since people started getting sick with COVID-19, but with new variants mutating each season, the health steps experts asked us to take at the beginning of the pandemic ...

In a study involving nearly 1,000 patients seen at a Baltimore field hospital during a five-month period in 2022, researchers at Johns Hopkins Medicine, the University of Maryland School of Medicine, ...

“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 ...

With COVID-19 infections on the rise in the United States, people exhibiting respiratory symptoms are more likely to seek a test. Now that the disease is in its endemic stage, testing looks different ...

Over the past four years, many of us have become accustomed to a swab up the nose to test for COVID-19, using at-home rapid antigen tests or the more accurate clinic-provided PCR tests with a longer ...

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.