Influenza A(H1N1) variant virus - Brazil - ISS-G20 Laboratorium Repository

On 7 June 2023, Brazil notified the World Health Organization (WHO) of a fatal laboratory-confirmed human case of infection with a swine-origin influenza A(H1N1) variant (v) virus in the inner state of Paraná.

Sporadic human cases of influenza A(H1N1)v have been reported previously, including from Brazil. According to the International Health Regulations (IHR) 2005, a human infection caused by a novel influenza A virus subtype is an event that has the potential for high public health impact and must be notified to the WHO.

Entire content available on: https://www.who.int/emergencies/disease-outbreak-news/item/2023-DON473