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In a new review, some F.D.A. scientists and others say boosters aren’t needed for the general population.

New story in Science and Health from TIME: Why a Warming Arctic Has the U.S. Coast Guard Worried About the Rest of the Country

Vaccines for younger children could be available by the end of October, two experts predicted.

The surgeon general insists the government ‘has the legal authority’ to enforce Biden’s vaccine mandates.

In Afghanistan, health care is collapsing even as Covid cases rise again.

Health Care in Afghanistan Is Crumbling, Aid Groups Warn

Parents of Young Children Desperately Seek Vaccine Trials