Health agencies have recommended that folks under consultation with their doctors get the flu shot annually.
If you should see dead birds in the wild, Call the PA game commission to report this.
1-833-PGC-WILD (742-9453)
https://www.pa.gov/agencies/pgc/wildlife/wildlife-health/wildlife-diseases/avian-influenza.html
If you have domestic poultry that become ill quickly with respiratory signs, call the PA depart of Ag diagnostic lab system (PADLS) for instructions.
PADLS hotline 717-772-2852 (24/7). Leave message; vet on call will call back.