This means they don't have the benefit of vaccine protection and are at risk for catching a disease. (freewayinsurancetx.com)
What makes our vaccinations different is the level of personal service you and your pet will receive to make sure they get the best possible vaccine protection. (bayparkpetclinic.com)
This is due to a brief period before a puppy reaches 16 weeks where there is little protection left from the mother's antibodies and little effective vaccine protection. (gopetplan.com)