Arizona's largest health system announced Sept. 25 that it plans to give out the new COVID shot after earlier uncertainty.

Vitamin D supplements may offer researchers a new clue about lingering COVID symptoms that persist after infection, according ...

With a standing prescription from the Arizona Department of Health Services, pharmacists in the state now have the green light to give updated COVID-19 vaccines without requiring a prescription. The ...

New study reveals vitamin D supplements may reduce long COVID risk by 4%. Promising results for symptoms like fatigue and ...

Several states have issued their own guidance about COVID-19 vaccines since the FDA released its 2025-2026 formula approvals on Aug. 27, significantly restricting who can access the vaccines for the ...

As the respiratory illness season begins, COVID cases have remained relatively under control in the United States into the beginning of fall. While the United States by and large is experiencing ...