Influenza H1N2V – Brazil

A human infection with influenza A(H1N2) variant virus A(H1N2)v. 

The patient, a 22 year old female, with no comorbidities, worked in a swine slaughterhouse in Ibipora Municipality, Parana State, and developed an influenza-like illness.

A real-time RT-PCR test conducted at the public health laboratory identified a non-subtypable influenza A virus. The variant was confirmed by gene sequencing as A(H1N2)v.

A second individual who also worked at the slaughterhouse developed respiratory symptoms during the same time-frame as the confirmed case, but no sample was collected from this person.

No other suspected cases among contacts of the confirmed case have been identified.

Photo: H1N1 virus micrograph.

Influenza H1N2 virus is a subtype of Influenza A virus. The virus does not cause more severe illness than other influenza viruses, and no unusual increases in influenza activity have been associated with it.


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