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."

Diseases, Conditions, Syndromes

WHO updates its guidance on treatments for COVID-19

A panel of international experts representing the World Health Organization's Guideline Development Group has updated its guidance on treatments for patients with COVID-19.

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