Potent antibodies that researchers hope vaccines can elicit didn't prevent HIV in a major trial.

United States seeks to debar Ralph Baric for misleading NIAID on old coronavirus studies, which he disputes.

Many say move to send money directly to countries could spell PEPFAR's end.

NIH director was prevented from reappointing institute head.

Major questions remain about how H5N1 moves between dairy cows and from farm to farm.

Large study shows simplifying delivery of prevention medication and improving connections to clinics is key.

Inactivated monkeypox virus samples may have been used for routine diagnostics.

"Gold standard" trials advocated by the Trump administration are unethical and unnecessary, critics say.

Strategy produces promising results in cell studies and infected people.

Jay Bhattacharya clashes with epidemiologists over widely used design.

High death toll in a South African province rapidly shaped immune system genes.

Funding holdups for PEPFAR put prevention and treatment at risk.

Scientists decry ethical violations as trials worldwide are paused and workers laid off

Agency moves to terminate nearly 1000 projects, including many involving "DEI" and LGBTQ health.

Scientists told to stop pathogen work say agency’s criteria are mysterious and will stymie needed research

Studies finger specific immune response that helps some people control the virus without drugs.

How President Donald Trump's administration has undermined efforts to develop vaccines and drugs for the next viral scourge.

Scientists reject claim that the work is no longer needed.

In a large study, one injection of a long-lasting treatment protected people for an entire influenza season.

Entering its second decade, the Chan Zuckerberg Initiative will make science the core mission for its founders' billions.