(Poynette) The Columbia County Health Department is hosting a free walk-in COVID vaccine clinic this weekend. County health officials say the clinic will be for a first dose Pfizer shot, available for ages 5-and-up. The second dose will be provided on December 11th. Appointments are not necessary to receive the vaccine but people can call ahead to schedule a time. Those interested in going must stay on site for a 15-minute observation period after receiving the vaccine. Health officials also ask those in attendance to practice social distancing and wear a mask. Those under the age of 18 must have a parent or guardian on site. The clinic will be at the Poynette Elementary School located at 225 West North Street between 10am and noon on Saturday. To schedule a vaccine shot call 608-742-9227.