Related by context. Frequent words. (Click for all words.) 73 resistant strains 68 resistant bacteria 63 drug resistant TB 63 drug resistant tuberculosis 61 antibiotic resistant bacteria 61 MDR TB 59 antibiotic resistance 58 superbugs 57 tuberculosis TB 57 infectious diseases 56 XDR TB 55 tuberculosis 54 pathogens 54 influenza viruses 53 methicillin resistant Staphylococcus aureus 53 bacterial infections 53 infections 53 hepatitis C virus 53 superbug 53 influenza virus 52 HIV infection 52 TB 52 flu viruses 51 dengue virus 51 pathogen 51 MRSA 51 malaria parasite 50 S. aureus 50 antibiotics 50 infectious disease 50 virulent strain 50 Staphylococcus aureus 50 bacteria 50 vancomycin 50 avian influenza virus 50 rotavirus 49 human immunodeficiency virus 49 Tuberculosis 49 flu virus 49 viruses 49 MRSA infections 49 bacterium 49 dengue fever 49 protease inhibitors 49 disease 49 Clostridium difficile 49 HIV 49 HIV infections 48 antibiotic 48 avian flu virus 48 pandemic strain 48 H#N# viruses 48 C. difficile 48 infect humans 48 viral infections 48 artemisinin 48 influenza 48 malaria 48 epidemics 47 chloroquine 47 HIV infected 47 H. pylori 47 hepatitis C 47 communicable diseases 47 Gram negative 47 diseases 47 virus 47 pandemic 47 herpes virus 47 Dengue fever 47 oseltamivir 47 parasite 47 infection 47 flu strains 47 bird flu virus 46 H#N# strain 46 swine flu virus 46 H#N# avian flu 46 antiviral drug 46 mosquito borne disease 46 highly contagious 46 antiviral drugs 46 H#N# virus 46 Infections 46 sexually transmitted infection 46 bacterial 46 microbe 46 avian flu 46 treatment regimens 45 fungal infections 45 pandemic H#N# 45 transmissible 45 pneumococcal disease 45 Hepatitis C 45 organisms 45 HCV 45 sexually transmitted infections 45 H#N# influenza virus 45 NDM 1 45 Infectious Diseases 45 dengue