The U.S. government failed to eliminate the virus on dairy farms when it was confined to a handful of states. Now at least 875 herds across 16 states have tested positive.
The most common kind of birdflu is the H5N1 strain. Has birdflu been seen in the UnitedStates? Various strains of birdflu pop up in U.S. poultry from time to time. When they do, ...