Brenda Goodman

(CNN) — Food safety officials say they are testing beef, including ground beef from grocery stores, for the presence of the H5N1 bird flu virus that's spreading in dairy cattle.

(CNN) — Spikes of influenza A virus seen in wastewater samples from 59 sewer systems across 18 different states this spring may point to the spread of the H5N1 avian influenza virus that is currently infecting dairy cattle, a new study suggests.

A US farmworker who caught bird flu after working with dairy cattle in Texas appears to be the first known case of mammal-to-human transmission of the virus, a new study shows.

Alzheimer’s disease may be inherited more often than previously known, according to a new study that paints a clearer picture of a gene long known to be linked to the common form of dementia.

Cows have human flu receptors, study shows, raising stakes on bird flu outbreak in dairy cattle CNN —

By Brenda Goodman and Nadia Kounang, CNN (CNN) — In early March, Dr. Barb Petersen, a large-animal vet in Texas, began getting calls from the dairy farms she works with in the Panhandle.

Cows have the same kinds of gateways into their cells as humans and birds, a new study shows. The finding suggests that cows could be mixing bowls - hosts that could help H5N1 bird flu learn to spread in humans.

(CNN) — The US Department of Health and Human Services and the US Department of Agriculture announced on Friday a new plan to pay dairy farmers and farm workers to take steps to prevent the spread of H5N1 bird flu.

Laboratory tests by the US Department of Agriculture haven’t found any H5N1 bird flu virus in raw beef, but they are a good reminder why eating rare hamburgers can be risky.

(CNN) — Laboratory tests by the US Department of Agriculture haven't found any H5N1 bird flu virus in raw beef, but they are a good reminder why eating rare hamburgers can be risky.