Related by context. Frequent words. (Click for all words.) 64 superbug 58 Superbug 56 resistant bacteria 56 NDM 1 54 drug resistant strains 54 drug resistant tuberculosis 54 H#N# influenza virus 54 swine flu virus 53 deadly H#N# virus 53 antibiotic resistant 53 H#N# avian flu 53 bird flu strain 52 antibiotic resistant bacteria 52 bird flu virus 52 SARS virus 52 superbugs 51 virulent strain 51 tuberculosis TB 51 H#N# virus 51 Severe Acute Respiratory Syndrome 51 H#N# bird flu 51 virus 51 mosquito borne disease 51 Dengue fever 50 Salmonella bacteria 50 bacterial strains 50 measles outbreak 50 drug resistant staph 50 MRSA 50 bacterium 50 drug resistant TB 50 avian influenza virus 49 H#N# flu pandemic 49 flu virus 49 atypical pneumonia 49 avian flu virus 49 swine flu 49 bird flu 49 Clostridium difficile 49 antibiotic resistance 49 Leptospirosis 48 Tamiflu resistant 48 A/H#N# virus 48 Sars virus 48 H#N# strain 48 virologists 48 deadly bacterium 48 retrovirus 48 dengue fever 48 mosquito borne illness 48 H#N# 48 bird flu outbreak 48 cholera outbreak 48 C. diff 47 dengue virus 47 MRSA infection 47 Marburg virus 47 avian flu 47 herpes virus 47 H#N# avian influenza 47 chikungunya 47 SARS 47 tuberculosis 46 bacterial infection 46 virulent H#N# strain 46 bacteria 46 highly pathogenic avian influenza 46 swine flu outbreak 46 Avian flu 46 Bird flu 46 H#N# influenza 46 dengue outbreak 46 infection 46 deadly H#N# strain 46 parasitic disease 46 listeria 46 Tuberculosis 46 leptospirosis 46 outbreak 46 measles 46 monkeypox 46 Chikungunya 46 C. difficile 45 H#N# swine flu 45 avian influenza 45 parasite 45 resistant strains 45 Swine flu 45 infections 45 avian virus 45 pandemic H#N# 45 Avian influenza 45 viruses 45 vCJD 45 Infectious diseases 45 influenza virus 45 flu outbreak 45 multidrug resistant TB 45 deadly toxin 45 germ 45 cholera