China Reports a Human Case of Rare H10N3 Bird Flu
A 41-year-old man in China’s japanese Jiangsu Province is the primary identified human to be contaminated with a pressure of chook flu generally known as H10N3, China’s Nationwide Well being Fee mentioned on Tuesday — a improvement that specialists mentioned merited shut monitoring as a result of of an underlying continued danger of pandemic flus.
Avian viruses don’t sometimes unfold amongst people, however they’ll pose a hazard to people in the event that they combine with a human virus, mentioned Raina MacIntyre, the top of the biosecurity program on the Kirby Institute on the College of New South Wales in Australia.
“If somebody has human flu and is contaminated with chook flu, the 2 viruses can swap genetic materials,” she mentioned. “That’s why you see the priority for pandemic flu arising in international locations the place people and livestock have very shut contact.”
The Well being Fee’s announcement mentioned that there was no proof of human-to-human transmission within the Jiangsu case. Contact tracing and surveillance haven’t uncovered some other infections, officers mentioned.
Influenza viruses differ from coronaviruses, and the World Well being Group is working with the Chinese language authorities to watch the case, in accordance with a assertion from the W.H.O. division in Beijing.
The person started feeling feverish on the finish of April and was hospitalized on April 28, the Chinese language authorities assertion mentioned. On Might 28, genome sequencing by the Chinese language Middle for Illness Management and Prevention decided that he had been contaminated with H10N3.
The federal government announcement didn’t say how the person had been contaminated, and the W.H.O. mentioned the supply of an infection was nonetheless unknown. The person’s situation has stabilized, and he is able to be discharged, the federal government mentioned.
Professor MacIntyre mentioned that people who find themselves often contaminated by avian viruses are those that are in extended shut contact with the birds, equivalent to poultry handlers.
The W.H.O. mentioned that H10N3 had “been detected periodically in birds in reside chook markets as early as 2002,” however the virus is unlikely to kill birds or result in many indicators of sickness.
“So long as avian influenza viruses flow into in poultry,” the group mentioned, “sporadic an infection of avian influenza in people is no surprise, which is a vivid reminder that the menace of an influenza pandemic is persistent.”
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