Risk for the general public is still low, but public-health experts advise caution. Sky-high egg prices. Millions of dead chickens. A new strain in cattle. Bird flu is making its way around the country, hitting farmers and consumers in their wallets.
A second strain of H5N1 avian flu was recently detected among dairy cows in Nevada, a sign that the outbreak could be harder to rein in than previously thought. A Nevada dairy worker exposed to infected cows also tested positive for the strain, federal health officials said.