The Tompkins County Health Department (TCHD) is announcing this weekâs COVID-19 Vaccination Clinics. TCHD and Cayuga Health System will hold a clinic for everyone who is 18 years old or older at the Mall Site, and a small pop-up clinic for Newfield residents in the Village of Newfield on Thursday, April 29. Both clinics will use Johnson and Johnson (J&J) vaccine previously allocated to Tompkins County. Appointment links have been sent to individuals on the Tompkins County COVID-19 vaccine registry and have been posted on the TCHD website.  Cayuga Health Shops at Ithaca Mall Vaccination Clinic (40 Catherwood Dr.) Thursday, April 29, 8 a.m. â 12 p.m.Â