The Three Rivers Health District is holding COVID-19 vaccine clinics this week and next week. The first is Thursday at the Mathews Health Department on Church St. from 10:00 a.m. until 12:00 p.m. The other is next Tuesday at the Essex Health Department on N Church Lane in Tappahannock from 10:00 a.m. until 12:00 p.m. The Pfizer vaccine is available for those 5 and older with Moderna available for 18 and up. Appointments are required.