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On Thursday, Macao’s Health Service reported on two human H9N2 avian influenza cases on mainland China.

Image/Robert Herriman

According to the report, one of the patients is a 5-year-old boy who lives in Yueyang City, Hunan Province. He developed symptoms on April 26, 2022, and was diagnosed on June 2, 2022. His condition is mild and there were live poultry market activities before the onset of the disease. history.

The other patient is a 2-year-old boy who lives in Bijie City, Guizhou Province. He developed symptoms on May 8, 2022, and was diagnosed on June 1, 2022. His condition is mild and he has a history of live poultry market activity before the onset.

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In most human cases of H9N2 avian flu, the associated disease symptoms have been mild and there has been no evidence of human-to-human transmission. Influenza A(H9N2) viruses are enzootic in poultry populations in parts of Africa, Asia and the Middle East.

Most human cases are exposed to the A(H9N2) virus through contact with infected poultry or contaminated environments. Human infection tends to result in mild clinical illness.

To prevent influenza A infection, the Health Bureau urges the public to pay attention to the following:

  • Avoid going to markets and farms where there are many people and where there are outbreaks of avian influenza A, where poultry is sold or displayed;
  • Avoid contact with sick people, birds or other animals and their secretions and excrement; if there is contact, wash hands immediately;
  • Do not eat undercooked poultry meat, offal, blood products and eggs;
  • Pay attention to personal hygiene and wash your hands frequently;
  • If you have symptoms such as fever, cough, and difficulty breathing, you should wear a mask, seek medical attention as soon as possible, and report your travel history and animal contact history to the doctor.

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