Over the course of the pandemic, the coronavirus has evolved multiple times, generating new variants and subvariants. However, a process called "immune imprinting" may have limited people's immune systems from keeping up with newer variants over time, as well as the effectiveness of updated COVID-19 vaccines.
Following a flag of a possible link between the Pfizer-BioNTech bivalent COVID-19 vaccine and an increased risk of ischemic stroke among people ages 65 and older, FDA and CDC on Friday said it's "very unlikely" a "true clinical risk" exists.
When a 56-year-old woman started experiencing "excruciating leg pain," her doctors could not determine the cause of her symptoms—until a rheumatologist discovered a link between her leg pain and severe asthma, ultimately leading to a diagnosis, Lisa Sanders writes for the New York Times Magazine.
First lady Jill Biden on Wednesday had cancerous skin lesions surgically removed from her face and chest, in today's bite-sized hospital and health industry news from Alabama, the District of Columbia, and Ohio.