Following the outbreak in August, Winnebago County Animal Services is offering free parvovirus booster vaccines this weekend only.

If your dog is at least 6-weeks-old, you can get a free parvo booster shot this Saturday, according to mystateline.com. There are only 100 shots available during this event and they will be administered on a first-come, first-served basis. The event is being held in the Northwest Community Center parking lot at 1325 Johnston Ave. starting at 10 a.m.