Hannah Knowles

Author's posts

What to know about coronavirus booster shots in the U.S.

The Biden administration is rolling out coronavirus vaccine booster shots for certain groups

How Provincetown, Mass., stress-tested the coronavirus vaccine with summer partying and delta

Officials from Provincetown to the White House are stressing that July’s outbreak should be a cautionary tale less for the vaccinated than for the millions of Americans in parts of the country far less prepared for the delta variant.

Rural Indiana county ends needle swap that helped fight HIV — sparking fears of another outbreak

A parade of law enforcement, health workers and community members had all made the same case to county commissioners: The program for drug users worked.