Related by context. Frequent words. (Click for all words.) 69 pneumococcal vaccination 64 measles vaccination 63 measles vaccinations 63 vaccination 62 iron supplementation 62 PCV7 61 measles immunization 61 CMV infection 60 chemoprophylaxis 60 immunization 60 wild poliovirus 60 revaccination 60 Newborn screening 59 rotavirus infection 59 antibiotic prophylaxis 59 pneumococcal pneumonia 59 childhood immunization 58 seasonal influenza vaccination 58 Pandemic H#N# 57 influenza vaccination 57 rotavirus vaccines 57 neonatal tetanus 57 conjugate vaccine 57 pneumococcal infections 56 C. difficile infections 56 chikungunya virus 56 childhood vaccinations 56 varicella 56 ITNs 56 malaria endemic countries 56 vaccinations 56 HPV vaccination 56 pneumococcal conjugate vaccine 56 rotavirus gastroenteritis 56 asthma exacerbations 56 antiretroviral therapy ART 56 diarrheal 56 serologic 56 varicella vaccine 55 perinatal mortality 55 Anaemia 55 childhood immunizations 55 polio vaccination campaign 55 pulmonary TB 55 Varicella 55 zinc supplementation 55 immunizations 55 Expanded Programme 55 diarrhea pneumonia 55 H. pylori infection 55 invasive pneumococcal disease 55 Genital herpes 54 ROTATEQ 54 enteroviruses 54 postpartum hemorrhage 54 acute flaccid paralysis 54 prevalences 54 falciparum malaria 54 measles 54 Flu vaccination 53 atopic eczema 53 epidemiologically 53 trivalent vaccine 53 epidemiological surveillance 53 febrile seizure 53 PCV# 53 avian influenza H#N# 53 treatable illnesses 53 Chlamydia trachomatis 53 acute otitis media 53 Tuberculosis TB 53 aseptic meningitis 53 immunocompromised patients 53 antiretroviral ARV treatment 53 influenza immunization 53 noninfectious 53 nosocomial 53 Menveo 52 Human papillomavirus 52 Antenatal 52 pandemic H#N# influenza 52 antibiotic prescribing 52 vitamin supplementation 52 prophylaxis 52 serological 52 obstetric complications 52 serogroups 52 RotaTeq 52 polio immunization campaign 52 Influenza A/H#N# 52 Trachoma 52 WNV infection 52 Dengue virus 52 Valcyte 52 Rotavirus 52 epidemiological 52 pneumococcal 52 chlamydia screening 52 intranasal vaccine 52 Human Papilloma Virus HPV 52 de ath