A new COVID-19 variant, RF.5, has been detected in India, with cases reported across eight states and four deaths in Andhra Pradesh, prompting renewed concerns over the virus and the protection ...

Covid-19 was the third leading cause of death in the United States in 2021, following heart disease and cancer, for the second year in a row, according to provisional data from the US Centers for ...

2021 was the year COVID-19 vaccines became widely available to Americans after a grim 2020. While our resistance to the virus has improved with the vaccine, the pandemic persists. On Dec. 2, U.S. Rep.

The rollout of safe and effective vaccines at the start of this year marked a turning point in a pandemic that wrought devastation for much of 2020. But 2021 still brought daunting challenges, ...