The Department of Preventive Health announced on Wednesday that Vietnam has recorded the first human case of swine flu caused by the H3N2 virus, Tuoi Tre reported.
However, the case, a two-year old girl in the southern province of Long An, was minor and there was no evidence that the virus has become transmissible between humans, according to the department under the Ministry of Health.
It said the child became sick last April and recovered later, but since she had strange symptoms, the Ho Chi Minh City Pasteur Institute sent her samples to the US Centers for Disease Control and Prevention for further tests.
Tran Thanh Duong, deputy chief of the department, was quoted as saying that so far, Vietnam has yet to record any additional cases of humans infected with H3N2 swine flu.
Like many other flu viruses, H3N2 is transmitted mainly via respiration, making people with weakened immune systems more susceptible to infection, the official said.
H3N2 is one of the subtypes of the influenza A virus found in pigs. More well-known is the H1N1 strand that caused a worldwide pandemic in 2009.
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