(CIDRAP News) The Food and Drug Administration (FDA) has decided to ban the use of the antibiotic enrofloxacin (Baytril) in poultry because of the risk that it promotes drug-resistant bacteria that can be harmful to humans.
Editor's note: This story was revised July 31 to clarify information about previous reports of H5N1 influenza viruses in Russia.
(CIDRAP News) News services said today the avian influenza outbreak reported last week in Russia involves the dangerous H5N1 strain, while two more fatal human cases of the illness were reported in Vietnam.
(CIDRAP News) Federal officials said yesterday that testing of a 12-year-old cow yielded possible signs of bovine spongiform encephalopathy (BSE) and that further tests are being conducted to clarify whether the disease was present.
The carcass was destroyed and did not enter the human food or animal feed chain, said Dr. John Clifford, chief veterinarian for the US Department of Agriculture (USDA). He did not disclose where the cow lived.
(CIDRAP News) About 100 people who gave blood to three people in Britain who later fell ill with variant Creutzfeldt-Jakob disease (vCJD) are being warned that they may have an increased risk of carrying the vCJD agent.
(CIDRAP News) A puzzling disease outbreak linked to pigs in southwestern China has expanded to 152 cases with 31 deaths, more than double the number of cases reported 3 days ago, according to Chinese news services.
(CIDRAP News) Indonesian investigators found the H5N1 avian influenza virus in chicken droppings near the home of three people who died of the virus this month, according to a report published yesterday.
(CIDRAP News) A large-scale study of genetic data on influenza shows that viruses of the same strain or serotype have more genetic differences than previously suspected and can exchange genetic material in ways that make them more infectious.
(CIDRAP News) A Russian official has identified the avian influenza virus that has been killing poultry in Siberia as H5N2, a strain that is not dangerous to humans.
But another Russian official reported to the World Organization for Animal Health (OIE) yesterday that the virus had not yet been fully identified. The poultry outbreaks in the Novosibirsk region of southwestern Siberia were first reported last week.
(CIDRAP News) In a response to Indonesia's first three fatal human cases of avian influenza, officials killed some infected pigs and poultry yesterday, but not as many as they had planned to, according to news services.
(CIDRAP News) Genetic mutations in monkeypox viruses of West African origin might have spared the lives of people infected with the virus in the United States, according to a recent report.
Though primarily a disease of rodents and nonhuman primates, monkeypox can occasionally spread to humans and cause a smallpox-like illness. In the summer of 2003, an outbreak of the disease occurred in six Midwestern states.