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Michigan dairy worker diagnosed with bird flu, 2nd case

A dairy worker in Michigan has tested positive for a strain of bird flu that recently broke out among cows, marking the second human case of the virus in the United States in less than two months. state and federal officials.

The farmer, who has not been identified, has a mild eye infection with symptoms similar to those of a Texas patient who was treated for the virus in early April, according to the Centers for Disease Control and Prevention.


CDC
The CDC said the risk to the general public is still low. Reuters

Both workers had been in contact with cattle before becoming ill. CDC says.

A Michigan dairy worker has become the first to test negative for the highly pathogenic avian influenza strain known as H5N1 after submitting nasal swab results to state health officials.

However, he later received a positive eye test at the CDC Center in Atlanta. The worker has since recovered.

“Michigan is leading the way in a rapid public health response and we are closely tracking this situation,” said Dr. Natasha Baghdasarian, Michigan’s chief medical officer. press release.


Cow
Avian influenza was found to be circulating among cattle earlier this year. The Washington Post via Getty Images

“This virus is being closely monitored and there are currently no signs of sustained human-to-human transmission.”

The CDC said Wednesday that it remains of the opinion that the risk to the general public from a second infection is low.

But the incident could put pressure on federal authorities and the dairy industry to increase testing of cattle and livestock workers. The Washington Post reported..

Meanwhile, health authorities announced the first confirmed case of human avian influenza in Australia, in a child who had recently travelled to India. he said Wednesday.

The child fell ill in March and suffered a severe infection but has reportedly since recovered.

In April, shortly after the bird flu virus was found in U.S. dairy cows, a Texas dairy worker was treated for bird flu. Officials said the virus had likely been circulating among the cows for four months. The worker suffered eye irritation but has since recovered.

Overall, the Michigan patient marks the third human case of avian influenza reported in the U.S. A poultry worker in Colorado also tested positive in 2022.

In other countries, bird flu cases can be more severe, leading to pneumonia and death.

The CDC said it plans to monitor dairy cows and poultry, and staff who come into contact with those animals, for the virus through the summer.

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