Spread of bird flu on cattle farms in the United States surprises scientists. Ruminants were until now considered not very sensitive to it.

The worker who tested positive, who was likely contaminated through contact with livestock, only had mild conjunctivitis. He isolated himself and received antiviral treatment. “ At this stage, H5N1s belonging to this genetic group are very poorly adapted to humans and… This article is reserved for subscribers. You have 79% left to discover.