PORTO ALEGRE, Brazil, May 20 (Reuters) - The results of genetic tests suggested that Brazil's first outbreak of bird flu on a commercial poultry farm in the state of Rio Grande do Sul shares the strain with cases in zoo animals in the same state, an official told Reuters on Tuesday.

Rosane Collares, a director at the state's agriculture department, said is not yet possible to ascertain a direct relation between the two outbreaks.

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https://www.reuters.com/business/healthcare-pharmaceuticals/genetic-test-suggests-brazils-bird-flu-cases-farm-zoo-share-same-strain-2025-05-20/