The H5N1 bird flu strain, which initially affected wild migratory birds and poultry farms, is now being found in dairy cows. This raises concerns about its potential impact on humans. The virus has also been detected in mammals, both in the wild and on farms. However, there is no evidence of significant mutation that would make it more dangerous. The one reported human case is believed to have been caused by direct exposure to a sick animal.
The first cases of the H5N1 bird flu strain emerged in North America among wild migratory birds in late 2021 and soon spread to poultry farms. It is now showing up among dairy cows , raising concerns about its potential impact on humans. The current outbreak has affected new bird species and persisted longer than previous ones. The virus has also been found in mammals, both in the wild and on farms. However, there is no evidence of significant mutation that would make it more dangerous.
The one human case reported so far is believed to have been caused by direct exposure to a sick animal
H5N1 Bird Flu Dairy Cows Humans Outbreak Mutation Exposure
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