disease transmission

Worrisome signs of mammal-to-mammal spread of bird flu

The ongoing bird flu outbreak is the largest ever in Europe and North America, and recent reports suggest the disease has passed from mammal to mammal, raising the risk of a spillover into humans, said a U.S. medical journal. The director general of the World Health Organization said that while the risk to people remained low, the reported infections in mink, otters, and sea lions “must be monitored closely.”

Invasive tick finds foothold in New Jersey

Late last year, federal authorities announced the presence of an exotic East Asian tick species on a New Jersey sheep farm. The state’s Department of Agriculture has now confirmed that Haemophysalis longicornis — also known as the longhorned tick — has successfully overwintered and possibly has become established in the state. No paywall

U.S. gives short shrift to agro-defense and the risk of zoonotic diseases

The average American consumes more than a half-pound of meat each day, yet the country devotes limited thought or funding to protecting its livestock from diseases that could disrupt production or infect humans, said former Sen. Joe Lieberman during a Senate Agriculture Committee hearing.

Bighorn sheep case could shape grazing rules in the west

The 9th U.S. Circuit Court of Appeals has ruled against the Idaho Wool Growers Association and others in a case that could have implications for grazing rules across the west.