Related by context. Frequent words. (Click for all words.) 51 perinatal 50 pneumococcal vaccination 49 CMV infection 49 PMTCT 49 maternal fetal 49 neonatal 48 antiretroviral therapy ART 48 perinatal mortality 47 C. difficile infection 47 unexplained infertility 47 epidemiological surveillance 47 rotavirus infection 46 antenatal care 46 pneumococcal pneumonia 46 MTCT 45 C.difficile 45 ARV therapy 45 transmission 45 infection 45 de ath 45 pneumococcal meningitis 45 CMV disease 45 P. vivax 44 H. pylori infection 44 HBV infection 44 zoonotic disease 44 HIV 44 solid organ transplantation 44 asthma exacerbations 44 Clostridium difficile infection 44 transmissibility 44 respiratory distress syndrome 44 pediatric 44 postoperative complications 44 mortality morbidity 44 pandemic influenza virus 44 chemoprophylaxis 44 pulmonary TB 44 renal transplantation 43 bloodstream infection 43 sexually transmitted infections STIs 43 maternal newborn 43 Neonatal 43 HIV infection 43 HCV infected 43 sexually transmitted infections 43 diarrheal 43 antenatal clinics 43 neonatal mortality 43 Perinatal 43 noncommunicable diseases 43 Chlamydia trachomatis 43 acquired immunodeficiency syndrome 43 PLHIV 43 HIV AIDs 43 Antenatal 43 WNV infection 43 sexually transmitted infection 42 single dose nevirapine 42 invasive pneumococcal disease 42 antiretroviral therapy 42 herpes infections 42 invasive cervical cancer 42 antiretroviral ARV treatment 42 HAART 42 infectious disease 42 epidemiology 42 pneumococcal infections 42 Genital herpes 42 Human Papilloma Virus HPV 42 renal transplant 42 chronic HCV infection 42 maternal 42 hyperbilirubinemia 42 meningococcal 42 mortality 41 Sexually active 41 nosocomial infections 41 bilharzia 41 retroviral 41 neonatal tetanus 41 Hiv Aids 41 birthweight 41 antiretroviral treatment 41 Lassa fever 41 Trachoma 41 antenatal 41 genital tract 41 Dengue virus 41 reinfection 41 NTDs 41 HIV AIDS 41 HIV infected 41 rotavirus gastroenteritis 41 disease 41 fistula 41 antiviral therapy 41 undernutrition 41 ante natal 41 osteoporotic fractures 41 schistosomiasis