In PAHO's Americas region, which includes the United States, measles cases have increased 30-fold in 2025 compared to 2024.

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

Rather than being genetic or acquired, Johnston's CJD developed when normal prions in her brain spontaneously began ...

But the CDC’s stunning reversal Wednesday—stating on its website that “studies have not ruled out the possibility that infant ...

Earlier this month, a group of Canadian researchers published early influenza data for the 2025-26 season, issuing a warning: ...

Ethiopia is facing its first Marburg virus outbreak, the country confirmed over the weekend, after reports began to circulate ...

The health department in Washington state has confirmed that a resident of Grays Harbor County is the first person to be ...

Early uptake of the measles, mumps, and rubella (MMR) vaccine rose rapidly in Texas infants after the start of the state's ...

An international team of investigators today announced promising data from a trial of a novel antibiotic that could ...

The researchers found that RSV vaccination was 82.3% effective in protecting against hospital admission for participants with ...

Since highly pathogenic avian influenza virus (HPAIV) spread to the island of South Georgia in the sub-Antarctic in 2023, its ...

One initiative, a call for increasing hepatitis B screening in pregnant women, could have immediate vaccine policy ...