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A 2d human case of bird flu has been associate to the ongoing outbreak in cow on U.S. dairy farm farms , the Centers for Disease Control and Prevention ( CDC)reported Wednesday(May 22 ) .

A subtype of avian influenza call H5N1was ab initio discover in U.S. cows in Marchand has since been detect among kine in nine states . The commercial milk and sum supply is safe to down , although raw Milk River samples from gruesome moo-cow have been found to carry the virus , sounpasteurized milk might pose a risk of infectionto humans .

black and white dairy cows shown with their heads poking through a metal fence on a farm. their ears are tagged with numbers

A second person in the U.S. has caught bird flu in the midst of an ongoing outbreak among animals on dairy farms.

However , no human infection with H5N1 have yet been bind to consuming crude milk ; the two human cases flag so far affect dairy workers employed by farms with H5N1 - infect cow . Thefirst possible case of cow - to - human transmission , report in April in Texas , need an individual whose only symptom was eye redness . The 2d eccentric , just identified in Michigan , also involved only middle - associate symptom .

The individual infected in Michigan tested minus for birdfluwhen a mop sample distribution was taken from their nose , but an eye swab from the patient essay positive .

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a photo of an eye looking through a keyhole

" It ’s not have sex exactly how eye infection result from avian grippe exposures , " the CDC written report notice . They may arise from contamination of the eyes " with a splash of polluted fluid , " such as milk , or else touching the center with a hired hand contaminated with the virus .

The CDC is now analyse the genetic makeup of the computer virus that infect the Michigan patient and will release those data soon . In the meantime , the CDC still considers the peril of bird flu spread to the general populace to be down .

" Given the high-pitched levels of A(H5N1 ) computer virus in in the altogether milk from taint cows , and the extent of the spread of this virus in dairy farm cow , similar extra human cases could be identify , " the CDC says . " Sporadic human infections with no on-going spread will not transfer the CDC risk assessment for the U.S. general populace , which CDC considers to be low . "

a tiger looks through a large animal�s ribcage

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a rendering of a computer chip

The office hasissued direction for multitude workingwith H5N1 - taint animals and those potentially exposed to the virus . For instance , people should obviate faithful , long or unprotected exposures to sick or idle creature , admit angry bird , poultry and cow . They should also debar unprotected exposure to the animals ' poop , bedding , unpasteurized Milk River and material that have been in airless contact with animals with suspect or confirmed H5N1 infections .

H5N1 is known to be pernicious to poultry , but in humans , the symptom touch off by the virus can motley wide , from being altogether absentto being fateful . Only three cases of human H5N1 infection have ever been reported in the U.S. and all have been very mild . uncommitted drug for the seasonal influenza can process the infection in mass .

Initial inherited examination of the virus on farm has not indicated that the virus has picked up any mutation that would make it more likely to overspread easily between people . However , the CDC is closely monitor the spot with that possibility in creative thinker .

a photo of burgers and fries next to vegetables

This clause is for informational purposes only and is not meant to offer medical advice .

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