Add Yahoo as a preferred source to see more of our stories on Google. Covid-19 at home Rapid Test Kit The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many ...

Yet again this winter, millions of Americans will wonder if a nagging cough or body aches is a sign they’re coming down with COVID-19 or the flu. This time, they’ll have an expanded array of tools to ...

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 ...