OBJECTIVESTo evaluate the effectiveness of the mRNA-1273 vaccine against SARS-CoV-2 variants and assess its effectiveness against the delta variant by time since vaccination. DESIGNTest negative ...

The delta variant of SARS-CoV-2, the virus that causes COVID-19, has been making headlines as it has quickly become the most prevalent strain in America. But other variants of the virus are still out ...

While the delta COVID-19 variant is the dominant strain in the U.S., it’s now officially the dominant strain worldwide “by far,” officials from the World Health Organization said during a Sept. 21 ...

The Red & Black is a 501c3 nonprofit. Please consider a one-time gift or become a monthly supporter. Cancel anytime. Since 2020, COVID-19 has surged across the nation and the world. With variants like ...

As cases surge worldwide, more variants are likely to emerge. The World Health Organization warned Thursday that the surging COVID-19 pandemic in many parts of the world increases the likelihood that ...

Covid has largely dropped out of the headlines, but the virus that causes it is still circulating. We ask what we should know about a new variant of SARS-CoV-2, the state of the Covid pandemic in 2025 ...

During the first few years of the COVID-19 pandemic, the virus SARS-CoV-2 was detected in an increasing number of non-human ...

Invivyd, Inc. has announced new in vitro data showing that its monoclonal antibody PEMGARDA™ (pemivibart) maintains effective neutralizing activity against the prevalent LP.8.1 variant of SARS-CoV-2, ...