Do vaccines weaken the immune system?
Vaccinated children are not at greater risk of other infections (infections not prevented by the vaccines) than unvaccinated children. On the contrary, in Germany, a study of 496 vaccinated and unvaccinated children found that children who received immunizations against diphtheria, pertussis, tetanus, Haemophilus influenzae type b (Hib) and polio within the first three months of life had fewer infections with vaccine-related and unrelated pathogens than the non-vaccinated group.
