On April 28, a 41-year-old man in China’s eastern province of Jiangsu was hospitalized and diagnosed with H10N3 on May 28.
According to Beijing’s National Health Commission (NHC), a 41-year-old man in China’s eastern province of Jiangsu has been confirmed as the first human case of infection with a rare strain of bird flu known as H10N3.
There are many different strains of bird flu in China, and some of them occasionally infect people, usually those who work with poultry. There is no evidence that H10N3 can easily spread in humans.
The man, a citizen of Zhenjiang, was hospitalised on April 28 and was diagnosed with H10N3 on May 28, according to the health commission on Tuesday. It did not specify how the man became infected.
His condition has stabilized, and he is now ready to be discharged. According to the NHC, no other cases were discovered after an investigation of his close contacts.
It went on to say that no other cases of H10N3 infection in humans had been reported anywhere in the world.
According to the NHC, H10N3 is low pathogenic, which means it causes less severe disease in poultry and is unlikely to cause a large-scale outbreak.
The patient’s exposure is ‘unknown.’
In a statement to the Reuters news agency in Geneva, the World Health Organization (WHO) stated, “The source of the patient’s exposure to the H10N3 virus is unknown at this time, and no other cases were found in emergency surveillance among the local population.” There is currently no evidence of human-to-human transmission.
“As long as avian influenza viruses circulate in poultry, sporadic avian influenza infection in humans is not surprising, serving as a stark reminder that the threat of an influenza pandemic persists,” the WHO added.
According to Filip Claes, regional laboratory coordinator of the Food and Agriculture Organization’s (FAO) Emergency Centre for Transboundary Animal Diseases at the regional office for Asia and the Pacific, the strain is “not a very common virus.”
Only about 160 isolates of the virus were reported in the 40 years leading up to 2018, mostly in wild birds or waterfowl in Asia and a few areas of North America, he added, and none had been detected in chickens so far.
According to Claes, analyzing the virus’s genetic data will be required to determine whether it resembles older viruses or if it is a novel mix of different viruses.
The H7N9 virus caused the last human outbreak of bird flu in China in late 2016, which lasted until 2017.
According to the FAO of the United Nations, H7N9 has infected 1,668 people and killed 616 since 2013.
Following recent avian flu outbreaks in Africa and Eurasia, the director of China’s Center for Disease Control and Prevention urged stricter surveillance in poultry farms, markets, and wild birds last week.