Related by context. Frequent words. (Click for all words.) 59 wear surgical masks 53 wore surgical masks 51 Surgical masks 50 Swine flu spreads 50 chikungunya fever 50 diarrhea cholera 50 wearing surgical masks 49 Densely populated 49 H1NI 49 quarantined 48 contagious respiratory 48 spraying disinfectant 48 HFMD 48 spray disinfectant 48 norovirus infection 48 Unvaccinated 47 Quarantines 47 unimmunized 47 runny nose cough 47 runny nose sore throat 47 A/H#N# flu virus 47 sprayed disinfectant 47 mosquito borne dengue fever 47 SARS 47 malaria dengue 47 throat swab samples 47 makeshift refugee camps 47 diarrhea stomach cramps 46 flulike 46 H1 N1 46 swine Flu 46 surgical masks 46 infected 46 neighboring Guangdong province 46 avian influenza H#N# 46 highly contagious 46 Mekong Delta provinces 46 HINI 46 colds coughs 46 bd.className + = 46 disinfect 46 sore throat cough 46 diarrhea dysentery 45 coughing sneezing 45 bronchitis asthma 45 viral gastroenteritis 45 Bacterial infections 45 disinfected 45 Viral infections 45 nausea vomiting fever 45 St. Francis Preparatory 45 waterborne illness 45 isolation wards 45 hepatitis B infection 45 innoculated 45 CDC Swine flu 45 Asthma sufferers 45 respiratory symptoms 45 contagious diseases 45 highly communicable 45 Norovirus outbreak 45 influenza A/H#N# 45 warning sirens blared 45 frequent handwashing 45 % #F# 6v.jsn 45 Typhoid fever 45 germ infested 45 cullers 45 Tamiflu tablets 44 disease HFMD 44 Migrating birds 44 Radiation leaks 44 contagious disease 44 Thoroughly cooking 44 spreading germs 44 sicken humans 44 Outbound flights 44 H#N# Bird Flu 44 Dust mites 44 A/H#N# flu vaccine 44 defer nonessential travel 44 N# masks 44 Aedes mosquitoes 44 cough runny nose 44 chemoprophylaxis 44 fevers 44 mumps epidemic 44 airborne allergens 44 deadly H#N# avian 44 neighboring Gansu province 44 flulike illnesses 44 Vaccinated 44 swine flue 44 dengue fever epidemic 44 poultries 44 pet prairie dogs 44 Severe Acute Respiratory Syndrome 43 sanitariums 43 salmonella infections 43 spray insecticides 43 Avoid touching