See below information regarding Trinitas Vaccination Clinics. The next date available is Thursday March 4th at the Elizabeth High School Dunn Gymnasium. Please click here to go to the Trinitas COVID-19 Vaccine Waiting List Appointment Scheduler for residents of Union County. Trinitas will notify the individuals of a scheduled appointment as vaccine supplies are available and appointment slots exist. Please note that everyone must meet the eligibility criteria to receive the vaccine.