The recent detection of H5N1 avian influenza genotype D1.1 in US cattle indicates that bird flu has spread from wild birds into livestock, following an outbreak that began in late 2023. Although both US and UK authorities confirm a low risk of human infection, precautionary measures are being heightened due to the potential for the virus to mutate and spread. The outbreak, which primarily impacted cattle, is being monitored as it shows signs of spreading internationally, raising concerns regarding a possible human health threat.
We're particularly worried about pigs because we know from previous experiences that they can be intermediaries for viruses to jump between species.
The risk of avian flu to the public remains very low, despite this confirmed case, according to the UK Health Security Agency.
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