U.S. health officials have announced two more bird flu cases among farmworkers.
FILE - This 2005 electron microscope image shows an avian influenza A H5N1 virion. – U.S. health officials on Friday announced two more bird flu cases among farmworkers, but they also said a new study in Michigan suggested the virus is not causing silent infections in people.
Last month, the Michigan Department of Health and Human Services launched a study of workers who were around cows sickened by the bird flu. The researchers drew blood from 35 people.One goal was to determine if there were people who never had any symptoms but did have evidence of past infections.
Meanwhile, two more infections tied to a Colorado poultry farm were reported, bringing the total to six. It's the largest outbreak of human bird flu infections in U.S. history, and accounts for most of the 11 cases reported to date. Ten of those cases occurred this year, all among farmworkers and all with mild symptoms.and porpoises — in scores of countries. Earlier this year the virus, known as H5N1, was detected in U.S. livestock, and is now circulating in cattle in several states.
Health officials continue to characterize the threat to the general public as low, and the virus has not spread between people. But officials are keeping careful watch, because earlier versions of the same virus have been deadly.The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group. The AP is solely responsible for all content.
Copyright 2024 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed without permission.
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