susan butler wu

  • Should You Swab Your Throat for a Rapid COVID Test?

    Should You Swab Your Throat for a Rapid COVID Test?

    At-home rapid tests for COVID-19 instruct you to stir a cotton swab inside each nostril before sliding the swab into its little testing tube or card. But some people have posted pictures on social media comparing a negative at-home nasal swab with a positive at-home throat swab, and even some experts are saying that the…