Viral social media posts say swabbing your throat will yield a more accurate COVID-19 test. The FDA warns it could be dangerous. AUSTIN, Texas — After a trend on social media, अमेरिका. Food and Drug Administration (एफडीए) warns about safety concerns in swabbing your throat for an at-home COVID-19 test. Throughout most of the pandemic, many at-home tests required swabbing nostrils …