Vaccination clinics delayed due to weather A nurse prepares a shot of the vaccine against COVID-19. (Source: WWNY) By 7 News Staff | February 2, 2021 at 5:42 AM EST - Updated February 2 at 5:43 AM POTSDAM, N.Y. (WWNY) - If you have an appointment Tuesday morning at one of several state-run COVID-19 vaccination sites â including the one in Potsdam â you might be rescheduled. In a Facebook post, the St. Lawrence County Office of Emergency Services said Gov. Andrew Cuomo announced delayed openings at the sites because of the norâeaster hitting much of New York. Appointments scheduled before 10 a.m. will be rescheduled for later in the day.