(CIDRAP News) The World Health Organization (WHO) today changed the H5N1 avian influenza strains recommended for candidate vaccines for the first time since 2004, causing some experts to question how far the virus has evolved.
The WHO's new prototype strains, prepared by reverse genetics, include three new H5N1 subclades.
(CIDRAP News) Experts in Vietnam confirmed today that avian influenza has spread to an 11th province, the southern Mekong Delta province of Long An, a major poultry breeding area, according to news service reports.
(CIDRAP News) South Korea today reported its first outbreak of highly pathogenic avian influenza in more than 6 weeks.
News of the Korean outbreak came 2 days after Vietnam reported its 16th human death from H5N1 avian flu and 3 days after international animal health officials again warned Asian countries not to declare victory over the disease too soon.
(CIDRAP News) Thailand reported its eighth fatal human case of H5N1 avian influenza today, while China announced it was lifting quarantine orders for the last two of 49 areas affected by the disease, according to news service reports.
(CIDRAP News) – The World Health Organization (WHO) today reported Thailand's 10th confirmed human case of H5N1 avian influenza, marking the first new case confirmation anywhere since Feb 23.
The case involved a 47-year-old woman who has already recovered, the WHO said. She became ill Feb 3 after exposure to diseased and dead chickens at her home and was discharged from a hospital Feb 25, the agency said.
(CIDRAP News) The United Nations Food and Agriculture Organization (FAO), downplaying statements by a regional FAO official, said today it had no evidence that pigs are involved in transmitting the H5N1 avian influenza virus in Asia.
(CIDRAP News) Another human case of highly pathogenic avian influenza (bird flu) was confirmed in Vietnam today, bringing total confirmed cases to 11, according to the World Health Organization (WHO).
The case involved a 4-year-old boy who fell ill Dec 22, was hospitalized a week later, and is now fully recovered, the WHO said. Vietnam now has had eight confirmed cases, and Thailand has three. Six cases in Vietnam and two in Thailand were fatal.
(CIDRAP News) – China reported an outbreak of highly pathogenic avian influenza in ducks today, while the World Health Organization (WHO) joined other international groups in appealing for a multinational campaign to stop the disease's march across Asia.
(CIDRAP News) Indonesia today joined the rapidly growing list of countries with poultry outbreaks of highly pathogenic avian influenza, while more human cases and deaths were confirmed in Vietnam and Thailand.