Extracts from the flowers of two common wild plants block the virus that causes COVID from entering human cells.

Annual flu vaccines are in a constant race against a rapidly mutating virus that may one day cause the next pandemic. A one-time vaccine protecting against all variants could give humanity a leg up.

Out of the 47 top-reported "long-COVID" symptoms, researchers were surprised to find only seven that were directly related to the virus.

Many questions remain about next steps for US vaccine policy. But the FDA advisory panel’s hearty endorsement of a single-composition COVID-19 vaccine represents a pivotal step.

Three main factors are driving up cost of eggs, says Gregory Archer. It could take months for things to get back to normal.

The immune system of black swans leaves them particularly vulnerable to avian flu. When exposed, the virus could kill them within three days.

Fewer children had MIS-C during the Omicron wave of the pandemic than the Delta wave and cases were also milder, a new study shows.

New research sheds light on microscopic training grounds that allow B cells to perfect the antibodies they use against viruses and bacteria.

New sensors could lead to virus-detecting drones or even clothes that help diagnose diseases like breast cancer, researchers say.