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.

Every American traveling abroad needs to take an antigen test to return to the United States. But the start of the trip is often even more cumbersome, as many other countries (nearly every one I have ...

Taso and Megan Stefanidis of Manalapan, New Jersey, developed symptoms of COVID-19 a few days after gathering with their families for Christmas. Other family members ended up testing positive for the ...

Please provide your email address to receive an email when new articles are posted on . University CMV testing among newborns is not common. In Minnesota, the first state with universal CMV testing, a ...

Polymerase chain reaction (PCR) test kits for COVID-19 use what’s known as gene cloning – not reproductive cloning – to detect the presence or absence of the SARS-CoV-2 virus, but social media posts ...