The National Institutes of Health, which owns the chimps at the Alamogordo Primate Facility in New Mexico, has no plans to move the animals to sanctuary, despite a ruling from a federal judge.
Carlee, a chimpanzee living in Chimp Haven, a 200-acre sanctuary in Louisiana that serves as the designated retirement home for federally owned chimps.
The new case, in a Michigan farmworker, did not suggest that bird flu was widespread in people, health officials said, adding that the risk to the general public remained low.
The exact number of chickens, cows and pigs being transported on trucks, ships, planes and trains within the United States is difficult to pinpoint because there is no national system for tracking the movement of livestock.
Biodiversity loss, global warming, pollution and the spread of invasive species are making infectious diseases more dangerous to organisms around the world.
White-footed mice, the primary reservoir for Lyme disease, have become more dominant in the U.S. as other rarer mammals have disappeared, one potential explanation for rising disease rates.
Gov. Kristi Noem suggested that President Biden should have euthanized the family dog, as she did. Animal experts said that such an option should be a last resort.
The C.D.C. maintained Wednesday that the risk for the public was still low, with no changes in the genetic makeup of the virus that would allow it to spread more easily to or between humans.
Scientists say that the presence of viral fragments in milk, which is pasteurized, isnβt cause for alarm, but that the bigger problem is the ongoing uncertainty about the size and scope of the outbreak.
H5N1, an avian flu virus, has killed tens of thousands of marine mammals, and infiltrated American livestock for the first time. Scientists are working quickly to assess how it is evolving and how much of a risk it poses to humans.
So far, bird flu in cattle seems to affect only lactating cows, and only temporarily. There have been no diagnoses in calves, pregnant heifers or beef cows, and no deaths.
Feral cats take a heavy toll on the worldβs wildlife, especially Down Under. The solution? Smarter traps, sharpshooters, survival camp for prey species, and the βFelixer.β
To protect Australiaβs iconic animals, scientists are experimenting with vaccine implants, probiotics, tree-planting drones and solar-powered tracking tags.
A veterinary nurse treats a koala infected with chlamydia at Currumbin Wildlife Hospital in Currumbin, Australia.
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