Vaccination

New Russian virus vaccine one among many

With Russia's announcement Tuesday that it had become the first country to approve a vaccine against COVID-19, here is a look at the more than two dozen other candidates currently in development.

Diseases, Conditions, Syndromes

WHO warns there may never be a COVID-19 'silver bullet'

The World Health Organization said Monday it had completed the groundwork in China to probe the origins of the new coronavirus—as it warned there might never be a "silver bullet" for COVID-19.

page 25 from 40