December 14, 2021 Omicron variant: Pfizer vaccine protects 70% against hospitalization, study finds A two-dose Pfizer/BioNTech vaccination provides just 33% protection against infection by the omicron variant of the coronavirus, but 70% protection against hospitalization, according to an analysis done in South Africa and released Tuesday.
December 10, 2021 CDC: Flu virus detections on the rise, early signs vaccination down Influenza virus detections are rising in the U.S., according to health officials.
December 10, 2021 COVID-19 pandemic: Scientists focus on virus' animal origins Nearly two years into the COVID-19 pandemic, the origin of the virus tormenting the world remains shrouded in mystery.
December 9, 2021 FDA authorizes AstraZeneca COVID antibody treatment for emergency use The U.S. Food and Drug Administration on Wednesday issued emergency use authorization for AstraZeneca's Evusheld.
December 9, 2021 CDC chief says omicron COVID-19 variant mostly mild so far More than 40 people in the U.S. have been found to be infected with the omicron variant so far, and more than three-quarters of them had been vaccinated, the chief of the CDC said Wednesday. But she said nearly all of them were only mildly ill.
December 8, 2021 Omicron: Pfizer-BioNTech COVID-19 vaccine may only partially protect against new variant, study suggests A new study led by the Africa Health Research Institute reportedly suggests that the omicron COVID-19 variant escapes antibody immunity induced by two doses of the Pfizer-BioNTech vaccine.
December 8, 2021 Omicron in the US: Where is it this week? Florida and Illinois are the latest states to announce cases of the omicron COVID-19 variant in the country.
December 8, 2021 Omicron variant 'almost certainly' less severe than delta, Fauci says Dr. Anthony Fauci, America's top infectious disease expert, said Tuesday that early indications suggest the omicron COVID-19 variant is potentially milder than previous strains.
December 3, 2021 Allergy sufferers have nearly 40% lower risk of COVID-19 infection, study says People who suffer from allergic conditions have a lower risk for developing COVID-19, according to a new U.K. study.
December 2, 2021 Omicron variant in the US: What we know Here's what we know about the omicron variant of COVID-19 in the U.S. after its first case was announced Wednesday.