New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

As summer kicks into full gear and people are spending more time outside, there's one thing on many people's minds—ticks.

While H5N1 does not have high mortality rates in dairy cows, the infection causes decreases milk production and milk quality, ...

The H5N1 avian influenza virus has infected birds and mammals around the world. As of June 2025, 70 people have been infected, and 1 person has died in the United States. A new analysis suggests that ...

Influenza A virus particles strategically adapt their shape-to become either spheres or larger filaments-to favor their ability to infect cells depending on environmental conditions, according to ...

“We are working to understand what the important features of an antibody are that make it effective at neutralizing — blocking — the virus. As part of the team that in 2017 mapped the structure of a ...

A 1982 study found influenza A remained contagious up to 48 hours on hard plastic or stainless steel, while a 2008 publication found these viruses stayed infectious for up to three days on Swiss ...

The potential “tripledemic” of influenza, SARS-CoV-2 and RSV (respiratory syncytial virus) infection continues to be a concern. Vaccines remain the best defense against COVID-19 and influenza, with ...

The SARS-CoV-2 virus is changing over time. NIAID-RML, CC BY One of the most concerning features of the spike protein of SARS-CoV-2 is how it moves or changes over time during the evolution of the ...

Hilgenfeld and colleagues elucidated an early structure of the virus’s main protease, an enzyme that helps SARS-CoV-2 build its proteins (Science 2020, DOI: 10.1126/science.abb3405), and Rao and ...

Yet this spike has qualities that make it different from other feared contagions like HIV and influenza, giving scientists a possible route to an effective vaccine or cure. Genetically, it is ...