Six years after India reported its first Covid-19 death in Karnataka, revisit key facts about the pandemic and test your knowledge with this quick quiz.

Measles testing is ramping up at University of Washington Medicine as the Puget Sound area gets ready to welcome a flood of out-of-state visitors this summer, potentially coinciding with a nationwide ...

For the second week in a row, 11 US children died of influenza, and while flu activity remains elevated across the country, ...

What's changed, and what hasn't, since President Donald Trump declared the U.S. emergency on March 13, 2020. At the time, nearly 2,000 Americans were infected with the virus. But at-home covid tests ...