Related by context. Frequent words. (Click for all words.) 55 MMR vaccination 53 autism diagnoses 52 measles outbreaks 52 MMR vaccine 50 Seasonal influenza 50 MMR jab 49 revaccinated 48 chickenpox vaccine 48 whooping cough vaccine 48 unimmunized 47 measles vaccinations 47 herd immunity 47 pneumococcal diseases 47 antidepressant prescriptions 46 measles 46 workless households 46 vaccination 46 ethyl mercury 46 Flu vaccines 46 vaccinations 46 childhood vaccinations 46 Hib vaccine 46 vaccine 45 Genital herpes 45 vaccinated 45 pneumococcal vaccination 45 inoculations 45 chicken pox vaccine 45 flu jab 45 doses 45 WNV infection 45 mumps vaccine 45 vaccines 45 invasive pneumococcal disease 45 population 44 vaccinate 44 influenza vaccination 44 measles immunization 44 mumps measles 44 antibiotic prescriptions 44 Flu vaccination 44 malaria endemic countries 44 measles vaccination 44 Physical inactivity 44 pneumococcal pneumonia 44 welfare caseloads 44 microgram dose 44 Multiple births 44 Tdap vaccine 43 measles epidemic 43 preterm births 43 dental decay 43 CMV infection 43 flu vaccines 43 Swine flu vaccine 43 Birth defects 43 acute respiratory infections 43 Whooping Cough 43 flu vaccination 43 unvaccinated 43 pneumococcal conjugate vaccine 43 whooping cough 43 Pandemic flu 43 maternal mortality ratio 43 Excluding autos sales 42 tetanus booster 42 pneumococcal meningitis 42 3percent 42 BCG vaccine 42 measles mumps 42 Stomach cancer 42 Guillain Barré syndrome 42 pandemic H#N# virus 42 HIV prevalence 42 flu vaccine 42 mutated virus 42 vaccine Prevnar 42 pertussis 42 undernourishment 42 polio vaccines 42 injectable vaccine 42 neural tube defect 42 pertussis vaccine 42 immunization 42 Antiviral drugs 42 polio outbreak 42 rotavirus vaccines 42 tetanus vaccine 42 measles vaccine 42 Teenage pregnancy 42 spokesman Maurizio Giuliano 42 PCV7 42 influenza immunization 42 grade gliomas 42 swine flu vaccination 42 Vitamin D supplements 42 preservative thimerosal 41 Opium cultivation 41 unadjusted jobless rate 41 seasonal flu 41 invasive cervical cancer