The largest current outbreak is along the Utah-Arizona border. Late yesterday Arizona health officials said there were nine ...

The experimental mRNA vaccine prevented 60% to 67% of flu infections, while the conventional vaccine prevented 44% to 54% of ...

H5N1 avian flu activity is currently high, as wild birds spread the virus during their migration. Over the past 30 days, 88 ...

In a nationally representative survey of more than 5,100 adults, 63% say they are extremely or very confident that routine ...

Vaccination during pregnancy shows about 70% to 80% effectiveness in protecting newborns through antibody transfer. For adults over 60, vaccines demonstrate roughly 75% real-world effectiveness ...

Data from a new surveillance report show rising resistance to ceftriaxone and cefixime, the two antibiotics currently ...