On 16th January 2024, the Brazil National Focal Point (NFP) for International Health Regulations (IHR), notified the World Health Organization of a human infection with a swine-origin influenza A(H1N1) virus.
The patient is an adult male, with underlying medical conditions, who resides in the municipality of Toledo, in the State of Paraná. The man, who lives alone, had no history of exposure to pigs or to any ill individuals. From the epidemiological investigation, no close contacts were identified.
