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A new study from La Jolla Institute for Immunology (LJI) scientists helps answer the question: how long does immunity against COVID-19 last in vaccinated people?

The Biden administration announced that it would halt flights for Afghan evacuees at the Ramstein Air Base in Germany and the Al Udeid Air Base in Qatar after four individuals tested positive following their arrival.

Whether it's from jetting across time zones, pulling all-nighters at school or working the overnight shift, chronically disrupting our circadian rhythm—or internal biological clocks—can take a measurable toll on everything from sleep, mood and metabolism to risk of certain diseases, mounting research shows.

The United States is facing a COVID-19 surge this summer as the more contagious delta variant spreads.

Months of evidence show the shots are safe for those who are pregnant or considering pregnancy.

WASHINGTON — The Biden administration on Friday announced plans to release more than $25 billion to health care providers to help with costs related to the Covid-19 pandemic, 11 months after the last major round of funding was released.

There are many uphill tasks facing global health, but we must rise to meet them

Israel is making preparations to ensure it has sufficient vaccine supply in case a fourth round of Covid-19 shots is needed, the country’s top health official said on Sunday. 

A group of international experts — including, notably, two outgoing Food and Drug Administration vaccine regulators — argues in a new paper against offering Covid-19 vaccine boosters to the general population.

Slowing down aging and what it means for dementia and other diseases