Related by context. Frequent words. (Click for all words.) 58 Sexually active 57 Unvaccinated 55 untreated tooth decay 54 Hib disease 54 immuno compromised 53 meningococcal disease 53 born preterm 53 pneumococcal meningitis 53 de ath 53 meningococcal infection 53 pneumococcal pneumonia 52 Hip fractures 52 herpes infection 52 BRCA mutation 51 CMV infection 51 Peanut allergies 51 HIV uninfected 51 Passive smoking 51 Genital warts 50 melioidosis 50 Birth defects 50 cardio vascular disease 50 Bacterial infections 50 Physical inactivity 50 Critically ill 50 pulmonary tuberculosis 50 bilirubin levels 50 invasive pneumococcal disease 50 meningococcal 50 recurrent infections 50 febrile seizure 50 Salmonella infection 49 coinfected 49 Reye syndrome 49 anal cancers 49 Infant mortality rates 49 circulatory diseases 49 sexually transmitted infection 49 Multiple births 49 Peanut allergy 49 Vaccinating 49 revaccinated 49 pneumococcal vaccination 49 rotavirus gastroenteritis 49 asthma eczema 48 dengue haemorrhagic fever 48 hereditary breast cancer 48 bacterial meningitis 48 Genital herpes 48 C. difficile infections 48 Meningococcal disease 48 contracted meningitis 48 miscarrying 48 shorter telomeres 48 Premature babies 48 meningitis pneumonia 48 Caesarean deliveries 48 Urinary tract infections 47 haemorrhagic stroke 47 HBV infection 47 pneumococcal infections 47 ectopic pregnancies 47 meningococcal bacteria 47 diarrhea pneumonia 47 sexually active 47 obstetric complications 47 prematurely abort 47 Flu vaccinations 47 Therein lurks 47 meningococcal infections 47 S. aureus infections 47 empyema 47 treatable illnesses 47 postmenopausal breast cancer 47 Human papillomavirus 47 Hospitalizations 47 Vaccinated 47 Medication errors 47 penile cancer 47 Anorexia nervosa 47 rotavirus infection 47 immunosuppressed 47 sudden cardiac death 47 nondiabetic 47 infection 46 severe respiratory distress 46 AAT deficiency 46 pulmonary embolisms 46 BRCA2 mutations 46 premature menopause 46 infections 46 preventable hospitalizations 46 sexually transmitted infections 46 febrile seizures 46 BCG vaccination 46 Flu vaccination 46 Mental disorders 46 latent TB infection 46 BRCA2 mutation 46 Varicella 46 neural tube defect