Colorado has reported three presumptive cases of H5 bird flu virus infection in poultry workers, according to the Centers for Disease Control and Prevention (CDC) .
According to the statement, The three people experienced mild symptoms.
The infections occurred in workers who were culling infected animals at a poultry facility that was experiencing an outbreak of H5N1 bird flu.
The symptoms included conjunctivitis, or pink eye, and common respiratory infection symptoms, Colorado officials said in a statement, adding that none of the people were hospitalized.
State epidemiologists said the infections appear to have occurred through contact with infected poultry.
The CDC said it is sending a team to Colorado to support an investigation and that the risk to the general public remains low.
Human infections with H5N1 avian flu are concerning because of the potential to cause severe disease and possibly spark a pandemic if the virus were to change and acquire the ability to spread easily from person to person.
