Vaccination

US approves first vaccine against chikungunya virus

US health authorities on Thursday approved the world's first vaccine for chikungunya, a virus spread by infected mosquitoes that the Food and Drug Administration called "an emerging global health threat."

Other

Biden set to name new CDC director

A former Obama administration official with extensive experience in federal and state health services could be the next leader of the U.S. Centers for Disease Control and Prevention.

Diseases, Conditions, Syndromes

Final state emergencies winding down 3 years into pandemic

California's coronavirus emergency officially ends Tuesday, nearly three years after Gov. Gavin Newsom issued the nation's first statewide stay-at-home order and just days after the state reached the grim milestone of 100,000 ...

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