Pathogen evolution and imperfect vaccines
Strain replacement, haemophilus influenzae
Strain replacement, pneumococcal disease
Human papillomavirus (HPV)
Polio, hepatitis B, and rotavirus
Premature and low birth weight infants
Hexavalent vaccines and sudden infant death (SIDS)
Cancer and natural infections
Non-vaccination by doctors and nurses
Education level of non-vaccinating parents
Conflicts of interest, false studies, and industry control.
