JOHANNESBURG - The omicron variant appears to cause less severe disease than previous versions of the coronavirus, and the Pfizer vaccine seems to offer less defense against infection from it but ...

WASHINGTON -- Many of the world's richest countries have spent the past year hoarding coronavirus vaccines, buying up enough doses to vaccinate their populations several times over and consistently ...

Scientists say the vaccines that use genetic technology can be easily tweaked. Vaccine makers say they are in the midst of testing their shots' effectiveness against the newly discovered omicron ...

SAN FRANCISCO (KGO) -- Now that the omicron variant has reached the U.S. via the Bay Area, the question follows, what happens next for vaccines, public policy and research? UCSF has confirmed they're ...

The omicron variant is offering more hints about what it may have in store as it spreads around the globe: A highly transmissible virus that may cause less severe disease, and one that can be slowed — ...

While the omicron variant appears to be more resistant to COVID-19 vaccines, Dr. Anthony Fauci stressed Wednesday that the vaccines still offer substantial protection against the newly-discovered ...

Drugmakers are racing to develop new vaccines intended to target the omicron variant, a coronavirus strain that has mutations that suggest it could evade immunity provided by vaccination or natural ...

The U.S. on Wednesday authorized its first update to COVID-19 vaccines, booster doses that target today's most common omicron strain. Shots could begin within days. The move by the Food and Drug ...

CNN — Fears about the Omicron variant of Covid-19 rattled the world's financial markets Friday and early Monday morning. But shares of the major coronavirus vaccine makers were getting a boost from ...

Share on Pinterest A study suggests that having the Omicron variant of SARS-CoV-2 alone does not seem to protect against other variants. David Paul Morris/Bloomberg via Getty Images Since Omicron ...

WASHINGTON -- As the "extraordinarily contagious" omicron variant surges across the United States, Dr. Anthony Fauci warned that COVID-19 cases will likely continue to climb. "Every day it goes up and ...