A delta breakthrough infection generates a potent and broad neutralizing antibody response in double vaccinated individuals, according to new research. The findings were published this week in mBio, ...

LAS VEGAS, NEVADA -- A California couple says they were fully vaccinated, but still contracted COVID-19 while on vacation as experts say breakthrough cases are possible, especially with the delta ...

In a recent study published on the preprint server medRxiv*, researchers compare the neutralizing ability of antibodies induced by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ...

Delta CEO Ed Bastian on Tuesday asked the Centers for Disease Control and Prevention (CDC) to shorten quarantine guidelines for breakthrough cases of COVID-19 in people who are fully vaccinated. Delta ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. At a recent town hall meeting in Cincinnati, Ohio, President Joe Biden was asked about COVID-19 ...

As Americans brace for the possibility of another difficult winter ahead in the nation’s fight against coronavirus, there is a renewed sense of urgency to get as many people inoculated and boosted as ...