• Michigan currently accounts for about one-third of the country’s confirmed cases of livestock.

• According to the U.S. Department of Agriculture, 11 other states besides Michigan have dairy herds with known infections.

• Until this year, influenza cases were very rare, which is the main reason the outbreak went unnoticed for a long period. 

• These outbreaks have led to the establishment of regulations and surveillance systems to curb further spread.

• Michigan’s chief medical executive  said, “One of our mantras is if you don’t test for it, you don’t find it.”

• Public health authorities believe the suggested numbers are lower, and efforts to clearly map the scale of the problem are worsened by dairy farmers' lack of cooperation.

• Michigan has put animal and human surveillance in place, which has led to more cases being identified. 

• The pandemic experts believe the remaining areas hit by the outbreak should adopt Michigan's "test it to find it" policy. 

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