Most respondents don't know whether there has been a human case in their state, and 2 in 5 want the government to take more action to prevent outbreaks.
None of the sentinel pigs housed with the infected pigs were infected, suggesting low viral replication, the authors say.
Avian flu was found most often in 2 communities with important wild bird habitats, which the authors say points to wild birds as a significant contributor to wastewater H5 contamination.
Detections in more pet cats were reported from Oregon, Washington, Colorado, and New Jersey.
The recall follows severe cat illnesses in Oregon and Washington, where the food was distributed.
The latest polio cases include 3 WPV1 infections in Pakistan, 1 of 2 remaining endemic countries.
The cats had no known exposure to infected poultry, livestock, raw milk, or raw meat, but they roamed freely outdoors, where they may have been exposed to wild birds or other animals.
The group also recommended two vaccine strains for pandemic preparedness, one for the H5N1 2.3.2.1a clade and another targeting the reemerging H5N6 2.3.4.4h clade.
The owners told authorities that they fed their cats Wild Coast Raw pet food, the same brand implicated in recent feline illnesses in Oregon.
Complicating factors could include other infectious diseases, such as meningitis, and the impact from a lack of medical care.