Related by context. Frequent words. (Click for all words.) 66 immunization 66 vaccination 65 vaccinations 64 measles 63 immunizations 59 flu vaccinations 58 vaccinated 58 vaccinate 57 Immunizations 57 flu vaccination 57 Immunisation 57 vaccinating 57 pneumococcal vaccine 56 H#N# vaccinations 56 influenza vaccination 55 immunized 55 Vaccinations 55 swine flu vaccination 55 antiretroviral treatment 54 polio 54 H#N# vaccination 54 inoculations 54 vaccine 54 Vaccination 54 immunization clinics 53 Immunization 53 measles vaccine 53 polio eradication 53 UNICEF 53 vaccines 52 antiretroviral therapy 52 polio vaccine 52 anti retroviral therapy 52 HPV vaccination 52 anti retroviral treatment 51 whooping cough 51 vaccine preventable diseases 51 Polio 51 ARV treatment 51 WHO 51 H#N# vaccines 50 H#N# vaccine 50 swine flu vaccine 50 anti retroviral drugs 50 acute diarrhea 50 diphtheria 50 flu vaccine 50 antiretroviral drugs 50 pneumococcal disease 50 malaria 50 Hib 50 waterborne disease 50 flu vaccines 49 eradicate polio 49 cholera 49 vaccination clinics 49 polio drops 49 seasonal influenza 49 immunize 49 seasonal influenza vaccine 49 preventable diseases 49 rotavirus 49 HIV infected 48 Flu vaccine 48 diarrheal diseases 48 pertussis 48 influenza vaccine 48 mosquito borne disease 48 swine flu vaccinations 48 infants 48 Flu shots 48 Health Organization WHO 48 malnutrition 47 H#N# 47 immunizing 47 chickenpox 47 Health Organisation WHO 47 expectant mothers 47 maternal mortality 47 Health Organization 47 H#N# flu 47 meningitis 47 mosquito nets 47 seasonal flu 47 HIV infections 47 bed nets 47 inoculation 46 maternal deaths 46 influenza 46 flu 46 tetanus 46 HIV infection 46 Japanese encephalitis 46 GAVI 46 GARDASIL 46 Measles 46 HIV AIDS prevention 46 rubella 46 Pertussis 46 diarrhea 46 meningococcal disease