Related by context. Frequent words. (Click for all words.) 55 Swine flu spreads 55 Avian flu 55 Pandemic flu 55 Chronic hepatitis B 54 Typhoid fever 54 Pandemic influenza 54 Cholera epidemic 53 Swine influenza 53 Genital herpes 53 Therein lurks 53 Flu pandemic 52 Nominal GDP includes 52 Dengue virus 52 Cholera outbreak 52 Streptococcus suis 52 A/H#N# 51 avian influenza H#N# 51 acute respiratory syndrome 51 mutated strain 51 Swine flu pandemic 51 highly pathogenic H#N# virus 51 avian flu 51 avian influenza outbreaks 50 Pandemic H#N# 50 Ebola hemorrhagic fever 50 pandemic 50 Bird flu 50 chikungunya virus 50 Peanut allergy 50 Bacterial infections 50 bird flue 50 Antibiotic resistance 50 Seasonal influenza 49 corona virus 49 HIV Aids epidemic 49 Avian influenza 49 epidemic 49 cholera dysentery 49 Equine influenza 49 Marburg fever 49 dengue outbreaks 49 SARS Severe Acute 49 Severe acute respiratory 49 Respiratory Syndrome 49 respiratory syndrome 49 H#N# subtype 49 Meningococcal disease 49 Meningococcal meningitis 49 H5 avian flu 48 highly communicable 48 SARS 48 atypical pneumonia 48 avian flu outbreak 48 Haiti cholera epidemic 48 Swine flu 48 Highly Pathogenic Avian Influenza 48 Haiti cholera outbreak 48 Toxoplasmosis 48 epidemics 48 Tainted milk 48 pandemic influenza virus 47 bird flu epidemic 47 epizootic 47 easily transmittable 47 outbreak 47 birdflu 47 Passive smoking 47 cytokine storm 47 waterborne illness 47 Influenza A/H#N# 47 H#N# avian flu 47 Poliomyelitis 47 avian influenza outbreak 47 H#N# Bird Flu 47 bird flu 47 bird flu outbreak 47 Parvovirus 47 highly pathogenic H#N# avian 47 Ebola outbreak 47 avian influenza pandemic 47 maternal morbidity 47 Coral bleaching 47 AH#N# 47 deadly H#N# avian 47 Bovine Spongiform Encephalopathy BSE 47 Peanut allergies 47 Sars epidemic 47 Diphtheria 47 contagious respiratory 47 HPAI 47 Schistosomiasis 46 obj obj = 46 foodborne diseases 46 Chickenpox 46 A/H#N# flu 46 A/H#N# flu virus 46 dengue haemorrhagic fever 46 H#N# pandemic 46 oseltamivir Tamiflu 46 Chlamydia trachomatis 46 Superbug