Related by context. Frequent words. (Click for all words.) 72 dengue fever 71 dengue 68 Dengue fever 67 dengue cases 65 Dengue 62 cholera outbreak 62 A/H#N# flu 60 chikungunya 60 leptospirosis 59 mosquito borne disease 59 cholera 58 A/H#N# 56 outbreak 56 Severe Acute Respiratory Syndrome 56 H#N# virus 56 outbreaks 56 epidemic 55 Japanese encephalitis 55 epidemics 55 swine flu 55 water borne diseases 55 bird flu outbreaks 54 dengue virus 54 bird flu outbreak 54 SARS 54 H#N# influenza 53 bird flu 53 H#N# influenza virus 53 waterborne disease 53 cholera epidemic 53 swine flu virus 53 swine flu pandemic 53 H#N# 53 avian flu 52 swine flu epidemic 52 pandemic 52 Swine Flu 52 swine flu outbreak 52 H#N# swine flu 52 H#N# pandemic 51 flash floods 51 contagious disease 51 incessant rains 51 influenza 51 malaria 50 Sars 50 superbug 50 torrential rains 50 measles 50 Swine flu 50 avian influenza 50 bird flu virus 50 influenza pandemic 50 waterborne diseases 50 disease 50 SARS epidemic 50 gastroenteritis 49 tuberculosis TB 49 H#N# flu 49 flu epidemic 49 Avian flu 49 heavy rains 49 H#N# avian flu 49 avian flu virus 48 avian influenza virus 48 floods 48 SARS outbreak 48 Bird flu 47 highly contagious 47 typhoid fever 47 leprosy 47 tuberculosis 47 XDR TB 47 whooping cough 47 HIV AIDS pandemic 47 infections 47 Health Organisation WHO 47 MDR TB 47 drug resistant TB 46 heatwave 46 communicable diseases 46 SARS virus 46 diarrhea 46 typhoons 46 sicknesses 46 flu virus 46 typhoid 46 virus 45 flu pandemic 45 contagious diseases 45 H#N# strain 45 Cholera 45 landslides 45 AIDS epidemic 45 HIV AIDS epidemic 45 malnutrition 45 heavy monsoon rains 45 bird flu pandemic 45 communicable disease 45 meningococcal disease 45 heavy downpours