A senior adviser to the director general at the World Health Organization says G7 leaders must make ending the COVID-19 pandemic a critical part of their summit in Germany or they risk losing economic growth and unleashing more civil unrest.
Moderna and Pfizer have tested updated shots against the super-contagious Omicron variant, and advisers to the Food and Drug Administration will debate Tuesday if it's time to make a switch — setting the stage for similar moves by other countries.
Canada handled key aspects of the COVID-19 response better in the first two years of the pandemic than most G10 countries, according to a new study by researchers from the University of Toronto, Unity Health Toronto and St. Michael's hospital.
Pfizer announced Saturday that tweaking its COVID-19 vaccine to better target the Omicron variant is safe and works -- just days before regulators debate whether to offer Americans updated booster shots this fall.
Several Chinese cities have scrapped or relaxed their COVID-19 testing mandates after China emerged from its worst regional outbreaks, with officials told not to cause too much disruption to people's lives while staying vigilant about the virus.
Nearly 20 million lives were saved by COVID-19 vaccines during their first year, but even more deaths could have been prevented if international targets for the shots had been reached, researchers reported Thursday.
Omicron subvariants BA.4 and BA.5 appear to escape antibody responses among both people who had previous COVID-19 infection and those who have been fully vaccinated and boosted, according to new data from researchers at Beth Israel Deaconess Medical Center, of Harvard Medical School.