McFarland Clinic has announced a Pfizer boost clinic on Thursday at the Marshalltown Southside location from 8:00 am until noon. If it has been at least six months since you had your initial doses of the Pfizer vaccine, you may be eligible for this booster shot. For more information or to make an appointment, call McFarland at 752-0654. There is no cost to receive this booster shot.