Vaccination

Do I need a vaccine if I've already had COVID-19?

The Centers for Disease Control announced that in most cases, vaccinated adults in the U.S. could start going without masks, even indoors—a long-awaited benchmark to signal a return to a more normal life. But many people ...

Diseases, Conditions, Syndromes

Deadly 'rat fever' in flood-ravaged Indian state

"Rat fever" has killed at least 12 people with another 54 suspected fatal cases in the southern Indian state of Kerala since August, after the worst floods in almost a century, authorities said Tuesday.

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