vaccine recalls are due to low vaccine potency or strength than it should be, vaccines from the lot might not produce an immune response that is strong enough to protect against disease. Therefore, the people who were vaccinated with a recalled vaccine may need to be vaccinated again to ensure they are protected against the disease. Vaccine recalls or withdrawals are almost always initiated voluntarily by the vaccine manufacturer.
The symptoms for recalled vaccine child does get sick from the vaccine, the symptoms of a bacterial infection — redness at the injection site, swelling, fever — will likely appear within the first few days after receiving the shot. "Any problems should appear in the first several days, and by the end of a week if there are no symptoms he should definitely be out of the woods.Vaccine recalls or withdrawals are almost always initiated voluntarily by the vaccine manufacturer.