Two additional Hepatitis A vaccine clinics planned in Chautauqua County after potential exposure Copyright Getty Images and last updated 2021-05-23 08:35:59-04 SINCLAIRVILLE, N.Y. (WKBW) â Chautauqua County health officials say two more Hepatitis A vaccine clinics are planned for Tuesday and Friday, following potential exposure at a restaurant in Fredonia. The clinic is for anyone who ate at The Mustard Seed Restaurant on East Main Street in Fredonia between May 8 and May 19. Clinics will take place on Tuesday at the Cassadaga Valley Central School Bus Garage (Drive-up) at 5935 Route 60 in Sinclairville between 4:30 and 6:30 p.m., and Friday at SUNY Fredonia Steele Hall at 280 Central Avenue in Fredonia between 3 and 7 p.m.