Santa Catarina registers first outbreak of avian flu; total in Brazil rises to 50, all in wild birds

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Bird of the species Trinta-réis-real was found in the municipality of São Francisco do Sul. In the country, outbreaks were not found in poultry used for food. Trinta-réis-real Reproduction/Elisa Ilha The number of outbreaks of avian influenza of the H5N1 subtype in Brazil rose to 50 this Tuesday (27), after Santa Catarina registered the first case, according to an update from the Ministry of Agriculture. All recorded outbreaks are in wild birds. In Brazil, there are no outbreaks of avian flu in poultry, that is, birds dedicated to food. There are also no records of contamination of the disease from the consumption of properly prepared chicken or eggs, says the World Health Organization (WHO). The new outbreak was confirmed in the municipality of São Francisco do Sul, of the bird of the species Trinta-réis-real. Bird flu: How do humans catch it? Are there vaccines? Ask questions Check out the outbreaks of H5N1 by state below: Espírito Santo: 26 outbreaks; Rio de Janeiro: 13 outbreaks; São Paulo: 3 outbreaks; Rio Grande do Sul: 1 outbreak Santa Catarina: 1 outbreak Paraná: 2 outbreaks Bahia: 3 outbreaks Check below which species of birds have already had confirmed cases: Trinta-réis-de-bando: 20 outbreaks Trinta-réis-real: 18 outbreaks Red-billed Tern: 2 outbreaks Brown-billed Booby: 1 outbreak Cormorant: 1 outbreak Carcará: 1 outbreak Black-necked Swan: 1 outbreak Screech Owl: 1 outbreak Frigate: 1 outbreak Seagull- Gray-headed: 1 outbreak Gavião-Carijó: 1 outbreak What is H5N1? H5N1 is a subtype of the Influenza virus that predominantly affects birds. It is less common in mammals and in humans. Avian Influenza was first diagnosed in birds in 1878 in Italy. But H5N1 was only isolated by scientists more than 100 years later, in 1996, in geese in Guangdong province, in southern China. Influenza viruses are divided into Low Pathogenicity (LPAI, mild) and High Pathogenicity (HPAI, severe): Low Pathogenicity: affects birds more mildly and often asymptomatically. The bird mortality rate in this case is low; High Pathogenicity: the disease manifests itself more severely, spreads rapidly among birds and has a high mortality rate among animals.

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