One person in the United States has been infected after exposure to a cow with avian flu, but no human-to-human transmission has occurred.
A subtype H5N1 in US dairy herds led to a cow-to-human transmission in Texas, the Association of State and Territorial Health Officials convened a panel of experts for a scientific symposium on Thursday to talk about the public health implications.
Establishing candidate vaccine viruses"are the precursor to moving into large-scale vaccine production," Dugan explained. Should that be needed, the candidate viruses can be used by manufacturers to produce new vaccines. Since 1997, when the first case of human infection was reported globally,"there have been 909 reported from 23 countries," Olsen said."About half of the human cases have resulted in death." Only a small number of human cases have been reported since 2015, but since 2022, more than two dozen human cases have been reported to the World Health Organization.Sifford, DVM, chief veterinary officer at the US Department of Agriculture.
"We are strongly encouraging producers to limit the movement of cattle, particularly lactating cattle, as much as possible," she says."We haven't seen anything that would change our assessment that the commercial milk supply is safe," says Donald Prater, DVM, acting director of the Center for Food Safety and Applied Nutrition at the US Food and Drug Administration .
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