With measles outbreaks, flu spikes, and COVID as a seasonal threat, learn key differences between these contagious diseases, ...

COVID-19 vaccination during the 2024-2025 respiratory virus season was associated with protection against hospitalization.

Add Yahoo as a preferred source to see more of our stories on Google. A nurse draws up doses of the Moderna COVID-19 for a vaccination clinic in St. Helena in 2021. Moderna is offering a new, low-dose ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images An alleged warning has spread online for years about a supposed "new COVID-Omicron XBB variant" — a new strain of the ...

A vaccine with University of Washington roots that fights a suite of coronaviruses including COVID-19 and related, deadly diseases is starting human clinical testing.

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Researchers now recognize eight different trajectories after COVID infection; some are severely ill many months later.

NEW YORK, Oct 14 (Reuters) - Americans headed to pharmacies for COVID-19 vaccines are running into roadblocks and confusion due to new U.S. guidance that abandoned broad support for the shots, ...

Cut off from established pathways for managing a chronic illness, many Vermonters with long Covid have reported living in a sort of permanent limbo. They have faced stigma and disbelief from loved ...

A rare but serious clotting disorder linked to certain COVID-19 vaccines and natural adenovirus infections has puzzled scientists for years.