Two additional cases of bird flu identified in Colorado, as study shows no silent carriers in other areas.

New bird flu cases reported in Colorado prompt health officials to conduct study on asymptomatic infections.

U.S. health officials have reported two more bird flu cases among farmworkers in Colorado, bringing the total to six cases, the largest outbreak in U.S. history.
A recent study in Michigan found no evidence of silent infections in people who were around cows sickened by the bird flu, indicating that the virus is not causing asymptomatic infections.
Blood testing of 35 people exposed to the virus did not show antibodies that would indicate past infections.
The bird flu virus, known as H5N1, has been spreading among mammals globally since 2020, and has recently been detected in U.S. livestock, particularly in cattle.
Although the threat to the general public is currently low and the virus has not spread between people, health officials are closely monitoring the situation due to the potential deadly nature of earlier versions of the virus.

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