News that a Texan had been infected with H5N1 bird on Monday added a worrying wrinkle to a global outbreak that is edging closer to humans.The patient was a dairy farmer and caught the virus from an infected cow, making them the second American to be infected after a person in in 2022.While there is no sign of person-to-person spread — a development that would signal the start of a human epidemic — experts say the ease with which the strain is jumping between species raise the risk of it evolving to infect us more easily.
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