Additionally, full immune response to the vaccine in dogs that have never been previously vaccinated does not occur until approximately 30 days after vaccination. (federalregister.gov)
Those with chronic stress were found to have a weakened immune response to the vaccine, indicating that stress may be associated with decreased immunity (10). (healthline.com)
Unlike the other groups, these children were perfectly capable of making a robust, protective immune response to vaccines. (philly.com)