Infectious disease experts say humans are unlikely to get the virus, and the biggest risk of infection remains through close, prolonged contact with a sick animal.

The United States reported a first outbreak of H5N9 bird flu on a poultry farm, the World Organisation for Animal Health said on Monday. Highly pathogenic avian influenza, commonly called bird flu, has spread around the globe in the past years,

Ulster County has reported its first confirmed outbreak of the bird flu within its borders. In an email in response to questions by the Freeman, Assistant Deputy County Executive

Officials said risk to humans remains low, but the state's public health veterinarian said pet cats are "very susceptible" to the bird flu and can become "seriously ill."

The number of bird flu cases in Central Massachusetts is relatively low, compared to a swath of the state that runs from Greater Boston to Southeastern Massachusetts. That message was delivered Wednesday during a virtual update from state health officials on the highly pathogenic avian influenza H5N1 virus.

MORE: Long Island farm forced to euthanize more than 100,000 ducks after bird flu detected. There has been a history of intermittent bird flu outbreaks in Massachusetts since earl

The leading message coming from Bay State officials this week was that people and pets should stay away from sick or dead wild birds. And if they see any, they should report their observations to MassWildlife.

State officials are warning the public to avoid handling birds and other wildlife as suspected avian flu cases are now “widespread” in Massachusetts.

Several Massachusetts communities are posting warnings or closing public spaces over concerns about bird flu and the recent deaths of several groups of birds.