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(Click for frequent words.) 76 flu epidemic 65 influenza pandemic 63 Flu pandemic 62 pandemic 62 Spanish flu pandemic 61 flu outbreak 61 flu pandemic 59 influenza 57 H#N# influenza pandemic 57 H#N# influenza virus 55 influenza pandemics 55 H#N# swine flu 55 H#N# virus 54 polio epidemic 54 swine flu outbreak 54 H#N# flu 54 swine flu pandemic 54 flu virus 53 swine flu 53 H#N# influenza outbreak 53 flu 53 H#N# influenza 53 H#N# pandemic 53 smallpox epidemic 53 H#N# 53 polio epidemics 52 H#N# flu pandemic 52 pandemic influenza 52 swine flu virus 52 pandemic flu 52 outbreak 51 flu pandemics 51 Flu 51 avian flu pandemic 51 smallpox 50 epidemic 50 pandemic H#N# influenza 49 influenza virus 49 swine flue 49 novel H#N# influenza 49 avian influenza pandemic 49 pandemics 49 pandemic H#N# 48 H#N# Influenza virus 48 avian flu 48 mutated virus 48 avian flu outbreak 48 typhoid fever 48 mumps outbreak 48 whooping cough outbreak 48 measles epidemic 48 influenza outbreaks 48 pandemic H#N# virus 47 H#N# influenza strain 47 diphtheria epidemic 47 A/H#N# influenza 47 epidemics 47 swine flu epidemic 47 H#N# Influenza 47 bird flu pandemic 47 swine influenza 47 H#N# Swine Flu 47 AH#N# virus 47 A/H#N# flu outbreak 47 A/H#N# pandemic 46 paralytic polio 46 small pox 46 avian influenza 46 H1NI flu 46 dengue epidemics 46 seasonal flus 46 mosquito borne virus 46 A/H#N# virus 46 avian influenza H#N# 46 hemorrhagic dengue fever 46 Influenza Pandemic 46 respiratory syndrome 46 measles outbreak 46 polio outbreak 46 seasonal influenza 46 dengue epidemic 46 Ebola outbreak 46 Swine Flu 45 measles 45 foodborne diseases 45 A/H#N# flu 45 bioterrorist attack 45 H#N# strain 45 bubonic plague 45 smallpox vaccinations 45 flu strains 45 Flu pandemics 45 Noro virus 45 avian influenza virus 45 highly pathogenic H#N# 45 whooping cough pertussis 45 pertussis 45 Influenza 45 smallpox eradicated 45 virus 45 H#N#virus 45 hemorrhagic dengue 44 Guillain Barre 44 bird flu 44 smallpox epidemics 44 Pandemic flu 44 pandemic flus 44 bird flu epidemic 44 disease 44 H1 N1 virus 44 Marburg virus 44 cholera epidemics 44 A/H#N# 44 pH#N# 44 H1NI 44 tuberculosis 44 A/H#N# flu virus 44 flulike illness 44 respiratory illness 44 HIN1 virus 44 avian influenza outbreak 44 Pandemic influenza 44 H#N# avian flu 44 Pandemic H#N# 43 measles outbreaks 43 SARS epidemic 43 diphtheria 43 whooping cough epidemic 43 h#n# 43 mumps outbreaks 43 superflu 43 mosquito borne illness 43 mousepox 43 H#N# swine 43 meningoencephalitis 43 H#N# viruses 43 meningococcemia 43 swine Flu 43 whooping cough 43 N#H# virus 43 norovirus gastroenteritis 43 pandemic strain 43 Japanese Encephalitis 43 Respiratory Syndrome 43 meningococcal meningitis 43 norovirus outbreaks 43 influenza viruses 43 Swine flue 43 virulent H#N# 43 variant CJD 43 avian flu virus 43 Swine Flu pandemic 43 seasonal flu 43 C. gattii 43 scarlet fever 43 yellow fever 43 bird flu virus 43 meningitis outbreak 43 Marburg hemorrhagic fever 43 Avian influenza H#N# 43 childbed fever 43 H1 N1 flu 42 norovirus outbreak 42 smallpox vaccination 42 MDR tuberculosis 42 superbug 42 smallpox outbreak 42 H1 N1 42 SARS outbreak 42 Marburg haemorrhagic fever 42 Tequila Crisis 42 blight pathogen 42 sars 42 flus 42 Swine flu 42 influenza epidemics 42 HINI influenza 42 Black Plague 42 haemorrhagic fever 42 zoster 42 antibiotic resistant bacterial infection 42 Salk vaccine 42 WNV infection 42 bacterial meningitis 42 H#N# avian influenza 42 ebola virus 42 MRSA 42 varicella 42 Swine Influenza 42 bird flu outbreak 42 norovirus bug 42 H#N# avian influenza viruses 42 A/H#N# influenza virus 42 antibiotic penicillin 42 AIDS epidemic 42 meningococcus 42 dengue 42 SARS 42 Flu Pandemic 42 rotavirus 42 meningitis epidemics 42 pertussis whooping cough 42 virulent strain 42 encephalitis 42 CCHF 42 H#N# pandemic influenza 42 pandemic influenza outbreak 42 AH#N# flu 42 influenza A/H#N# 41 Pandemics 41 Meningococcal 41 Avian influenza 41 West Nile virus 41 atypical pneumonia 41 Typhoid fever 41 measles epidemics 41 avian influenza bird flu 41 MRSA bacteria 41 bird flue 41 mosquito borne 41 avian influenza AI 41 Irish potato famine 41 bluetongue virus 41 Hib disease 41 Severe Acute Respiratory Syndrome 41 Variant CJD 41 meningococcal 41 h#n# virus 41 pandemic influenza virus 41 Dutch elm disease 41 HIN1 41 AH#N# 41 ravaged poultry flocks 41 chestnut blight 41 avian bird flu 41 invasive MRSA infections 41 H7 virus 41 Influenza pandemics 41 antiviral drugs 41 infantile paralysis 41 mosquito borne disease 41 invasive Hib 41 bacterial pneumonias 41 Scarlet fever 41 Legionnaire Disease 41 streptococcus pneumoniae 41 SARS virus 41 chickenpox 41 dengue outbreak 41 H#N# virus mutating 41 H#Y mutation 41 influenza strains 41 Japanese Encephalitis JE 41 zud 41 typhoid epidemic 41 norovirus 41 meningococcal bacteria 41 Diphtheria 41 bacterium Yersinia pestis 41 grippe 41 rhinovirus infection 41 MRSA infection 41 phylloxera 41 Routine smallpox vaccinations 41 A/H#N# infection 40 flu viruses 40 meningococcal disease 40 infection 40 vCJD epidemic 40 rotavirus diarrhea 40 MRSA staph infection 40 typhus epidemic 40 pneumococcal meningitis 40 rinderpest 40 dengue fever outbreak 40 Bubonic Plague 40 E coli outbreak 40 HINI flu 40 H#N# Flu 40 Avian flu 40 C. difficile bacterium 40 Swine flu pandemic 40 polio 40 MRSA methicillin resistant Staphylococcus 40 puerperal fever 40 rotavirus infections 40 respiratory syncytial virus 40 chikungunya fever 40 superbug C. difficile 40 bedbug outbreak 40 bird flu strain 40 Diarrheal diseases 40 pandemic influenza viruses 40 HINI virus 40 H1NI virus 40 acute rheumatic fever 40 Guillain Barré Syndrome 40 pine beetle epidemic 40 diarrheal illness 40 canine rabies 40 invasive meningococcal disease 40 anthrax scares 40 Chikungunya fever 40 antibiotic resistant strain 40 chikungunya 40 Influenza Epidemic 40 Flu Epidemic 40 H5NI strain 40 avian strain 40 HINI 40 C. difficile outbreak 40 Legionnaires disease 40 sporadic CJD 40 Cryptococcus neoformans 40 vCJD 40 Respiratory Syndrome outbreak 40 noro virus 40 syphilis 40 pneumonia 40 causative pathogens 40 infectious disease 40 Elm Disease 40 hemorrhagic fever 40 birdflu 40 H#N# strain mutates 40 strep bacteria 40 Highly contagious 39 cerebrospinal meningitis 39 flu bug 39 H1N 39 Salmonella typhi 39 zombie plague 39 waterborne epidemics 39 H#N# Influenza Virus 39 E.coli infection 39 Fujian strain 39 wild poliovirus 39 meningo encephalitis 39 fungal blight 39 A/H#N# flu pandemic 39 H#N# influenza vaccine 39 gastro enteritis 39 Guillain Barré syndrome 39 poliomyelitis 39 mumps 39 Variola 39 Marburg fever 39 anthrax scare 39 smallpox vaccines 39 mutated strain 39 variola 39 listeria infection 39 Smallpox 39 RSV infections 39 paralytic poliomyelitis 39 mosquito transmitted 39 Ebola 39 mucous samples 39 C. diff infection 39 inhalational anthrax 39 virulent H#N# strain 39 trichinosis 39 influenza AH#N# 39 C. difficile infection 39 antibiotic resistant infection 39 diphtheria outbreak 39 gastro intestinal illness 39 falciparum malaria 39 PCV7 39 hantavirus pulmonary syndrome 39 Irish Potato Famine 39 tick borne disease 39 sulfone drugs 39 distemper virus 39 avian cholera 39 illness 39 highly contagious 39 anaphylactic reaction 39 A/H#N# strain 39 outbreaks 39 gastroenteritis 39 staph superbug 39 multidrug resistant tuberculosis 39 S OIV 39 Colony Collapse Disorder CCD 39 E. coli outbreak 39 zoonosis 39 AIDS Acquired Immune 39 Cryptococcus gattii 39 mother Shirley Almer 39 potato blight 39 E.coli bug 39 mosquito borne viral 39 avian flu epidemic 39 Legionnaires Disease 39 Ebola fever 39 hanta virus 39 intranasal influenza vaccine 39 superstrain 39 highly pathogenic virus 39 H#N# Swine flu 39 Norovirus outbreak 39 Japanese encephalitis 39 influenza viruses circulating 39 zoonotic diseases 39 H5NI bird flu 39 PCVAD 39 seasonal influenzas 39 avian virus 39 diesease 39 H#N# monovalent vaccine 39 malarial infection 39 streptococcal disease 39 H7 avian flu 39 Great Famine 39 Varicella 39 Subdural hematomas 39 virulent H#N# virus 39 Bengal Famine 39 Peanut allergy 39 acute gastroenteritis 39 AH#N# influenza 39 Influenza A/H#N# virus 39 CRKP 39 dengue haemorrhagic fever 39 Meningococcemia 39 mad cow disease 39 pine wilt 39 Norwalk Virus 39 Balkan Wars 39 Chickenpox 39 Poliomyelitis 39 pneumococcal infections 39 rotavirus infection 39 shigellosis 38 bacterial pneumonia 38 West Nile Virus 38 viral pneumonia 38 Ebola Reston virus 38 locust plague 38 vaccine preventable diseases 38 Routine vaccinations 38 unexplained illnesses 38 feline distemper 38 communicable disease 38 Bovine Spongiform Encephalopathy BSE 38 mosquito borne encephalitis 38 Hormats argues 38 PCV7 vaccine 38 meningococcal infection 38 Mumps outbreak 38 Guillain Barre Syndrome GBS 38 noroviruses 38 strain mutates 38 virus SIV 38 mutant strain 38 latent tuberculosis 38 fungal meningitis 38 prion disease 38 Legionnaire disease 38 bug Clostridium difficile 38 avian influenza outbreaks 38 antibiotic resistant bacterium 38 human metapneumovirus 38 Tularemia 38 Equine Herpes Virus 38 contagious disease 38 Tuberculosis 38 Peanut allergies 38 Sars virus 38 chikunguniya 38 hantavirus infection 38 tuberculosis TB 38 enterovirus infections 38 dengue hemorrhagic fever 38 Whooping cough 38 pneumococcal infection 38 N#H# flu 38 Swine Flu H#N# 38 swine dysentery 38 Chikungunya virus 38 Measles outbreaks 38 disease vCJD 38 Bluetongue virus 38 S. aureus infection 38 naturally occurring smallpox 38 seasonal Santa Anas 38 Ebola epidemic 38 Meningococcal meningitis 38 Yersinia pestis 38 BCG vaccine 38 millennium bug 38 influenza vaccine 38 rotavirus gastroenteritis 38 tularemia 38 bedbug epidemic 38 aureus 38 monkeypox outbreak 38 equine influenza virus 38 listeriosis outbreak linked 38 C. difficile 38 antibiotic resistant superbug 38 West Nile encephalitis 38 Malthusian trap 38 Meuse Argonne offensive 38 uh erh eye 38 Marburg epidemic 38 incurable ailment 38 cholera outbreaks 38 Salmonella Saintpaul 38 mumps vaccine 38 pox virus 38 Corrupted Blood 38 pertusis 38 virus RSV 38 vomiting bug 38 Salmonella infection 38 Bovine Spongiform Encephalopathy 38 H#N# bird flu 38 HAV infection 38 waterborne parasite 38 infections 38 mosquito transmitted diseases 38 waterborne illness 38 Cerebro Spinal Meningitis CSM 38 Drug resistant strains 38 Influenza A/H#N# 38 HPAI H#N# 38 equine influenza EI 38 Great Depression 38 Influenza Type 38 infectious syphilis 38 MRSA infections 38 drug resistant superbug 38 Guillian Barre Syndrome 38 Equine Influenza EI 38 Franco Prussian war 38 avian influenzas 38 raccoon rabies 38 influenza neuraminidase inhibitor 38 Foodborne illness 38 C. difficile infections 38 equine herpes virus 38 west nile 38 Hantavirus 38 bird flu virus mutates 38 Vaccine preventable diseases 38 nosocomial infections 38 porcine reproductive 38 H#Y 38 Encephalitis 38 Civil War 38 Ebola haemorrhagic fever 38 Rift Valley Fever RVF 38 mad cow 38 aureus infections 38 potato famine 38 Measles outbreak 38 tick borne illness 38 smallpox vaccine 38 measles whooping cough 38 norovirus infection 38 Plasmodium falciparum malaria 38 flu vaccination 38 superbug Clostridium difficile 38 serotype 38 Hanshin earthquake 38 sea lice infestation 38 Antibiotic resistant bacteria 38 SWINE flu 38 blight fungal 38 Rinderpest 38 cytokine storm 38 acute viral infection 37 infectious citrus canker 37 deadly H#N# virus 37 CA MRSA infections 37 bioterrorist attacks 37 MRSA bacterium 37 streptococcal 37 FMD outbreak 37 XDR TB 37 MDRTB 37 mosquito borne viruses 37 contagious diseases 37 bacterial infections 37 TB bacillus 37 Aids epidemic 37 E.coli outbreak 37 bacterial infection 37 Creutzfeldt Jakob 37 superbug MRSA 37 chikungunya virus 37 legionellosis 37 Longini 37 mumps epidemic 37 enterovirus infection 37 Y2K scare 37 Axis Powers 37 Bubonic plague 37 antigenic shift 37 Salmonella Saintpaul strain 37 S. aureus infections 37 Ebola hemorrhagic fever 37 antiviral drug 37 mumps vaccinations 37 parainfluenza 37 smallpox inoculation 37 dengue fever 37 legionnaires disease outbreak 37 MRSA Methicillin resistant Staphylococcus 37 bloodstream infection 37 infectious diseases 37 bedbug infestation 37 famine 37 flulike virus 37 eradicated smallpox 37 flu A/H#N# 37 Marburg outbreak 37 Listeria outbreak 37 Meningococcal Meningitis 37 metapneumovirus 37 herpes zoster shingles 37 C. difficile outbreaks 37 C.difficile 37 Genetic profiling 37 herpes zoster 37 meningitis 37 EHEC infections 37 Listeria infections 37 mosquito borne infection 37 bluetongue disease 37 serogroup C 37 mosquito borne diseases 37 Roche Holding Tamiflu 37 Franco Prussian War 37 Bird flu 37 Vibrio infections 37 resistant staph infections 37 A/H#N# swine flu 37 E.coli bacteria 37 birdflu outbreak 37 hemorrhagic fevers 37 untreatable infections 37 streptococcus suis 37 oseltamivir Tamiflu 37 affliction 37 highly pathogenic avian flu 37 BRCA1 BRCA1 breast cancer 37 multidrug resistant 37 smallpox eradication 37 anti viral 37 coryza 37 oubreak 37 dengue outbreaks 37 resistant staph 37 CDC Swine flu 37 snail fever 37 disease FMD 37 virus subtype 37 chytrid fungus 37 Seasonal flu 37 cutaneous anthrax 37 Swine fever 37 Crimean Congo Hemorrhagic Fever 37 bubonic 37 reces sion 37 Mouth Disease HFMD 37 meningococcal septicemia 37 Chikungunya 37 Avian Flu 37 BRSV 37 vibrio 37 Crimean Congo Haemorrhagic Fever 37 Eastern equine encephalitis 37 epizootic hemorrhagic disease 37 highly pathogenic 37 HN# strain 37 Napoleonic Wars 37 Mad Cow disease 37 Gluten intolerance 37 streptococcus suis bacteria 37 Streptococcus pneumoniae bacteria 37 pneumococcal vaccination 37 allergy 37 heatwave 37 mass inoculations 37 staph infection MRSA 37 Parvovirus 37 gonorrhea infections 37 acid suppressive medication 37 chickenpox vaccination 37 affluenza 37 Sars Severe Acute 37 equine influenza outbreak 37 avian strains 37 oseltamivir resistant 37 pneumococcus bacteria 37 H#N# avian 37 H1NI influenza 37 MRSA Methicillin 37 H#N# mutates 37 Meningococcal disease 37 bedbug outbreaks 37 avian flu outbreaks 37 flu vaccine 37 seasonal influenza outbreaks 37 super spreaders 37 Methicillin resistant 36 artemisinin resistance 36 HIV AIDS pandemic 36 reassortments 36 viral respiratory infections 36 AH#N# flu virus 36 circulating influenza viruses 36 vaccination 36 chicken pox 36 infestation 36 Rotavirus 36 Pneumonic plague 36 zombification 36 bovine spongiform encephalopathy BSE 36 marburg 36 H#N#/swine flu 36 Hib 36 diarrheal disease 36 bird flu mutates 36 WNV infections 36 Salmonella Saintpaul outbreak 36 chronic noncommunicable diseases 36 venomous snakebites 36 RMSF 36 equine influenza 36 vaccine 36 Stomach cancer 36 syndrome SARS outbreak 36 gastrointestinal ailment 36 beetle infestation 36 deadly H#N# avian 36 plasmodium falciparum 36 Hib meningitis 36 invasive insect 36 polio virus 36 Avian Influenza H#N# 36 H7 avian influenza 36 MRSA methicillin resistant staphylococcus 36 diarrheal illnesses 36 bioterrorism 36 low pathogenic strains 36 blackwater fever 36 Dryvax vaccine 36 Coxsackie virus 36 Morens 36 recession 36 Influenza viruses 36 Like Illness ILI 36 roseola 36 staph infection 36 seasonal influenza epidemics 36 XDR tuberculosis 36 HIV Aids pandemic 36 E. coli STEC 36 PCV2 36 manic episode 36 acute respiratory viral infections 36 Mononucleosis 36 Influenza H#N# 36 atypical pneumonia outbreak 36 Ebola virus 36 chickenpox vaccine 36 E. coli bacterial infections 36 Whooping Cough 36 flulike 36 Loma Prieta Earthquake 36 necrotizing fasciitis 36 seasonal influenza viruses 36 respiratory viruses 36 typhoon Xangsane 36 plum pox 36 famines 36 H#N# vaccine 36 poliovirus 36 Seasonal allergies 36 antiviral medication 36 herpes zoster virus 36 highly pathogenic H#N# avian 36 Vesicular stomatitis 36 H#N# Virus 36 resistant superbugs 36 Febrile seizures 36 Bolshevik revolution 36 Smallpox vaccine 36 Stomach flu 36 H7 influenza 36 satirist Mark Twain 36 Hepatitis E 36 tertiary syphilis 36 swine flu vaccine 36 Atypical pneumonia 36 contagious bacterial 36 strep infections 36 drug resistant staph 36 Montezuma revenge 36 Wild Polio Virus 36 Clostridium difficile infection 36 Acquired Immune Deficiency Syndrome 36 respiratory infection 36 malaria 36 Hariyadi Wibisono 36 viral gastroenteritis 36 swine flu vaccination 36 zoonotic disease 36 corona virus 36 flashfloods 36 reassortant 36 Streptococcus suis 36 oseltamivir 36 madcow disease 36 anthrax 36 locust upsurge 36 canine distemper virus 36 Seasonal influenza 36 tick borne illnesses 36 Nipah virus 36 monovalent oral polio vaccine 36 typhoid 36 antibiotic resistant staph infections 36 Guillain Barré 36 Sleeping sickness 36 A/H#N# flu cases 36 Bairnsdale ulcer 36 serotype #A 36 Oliver Rosenbauer spokesman 36 Dengue infects 36 viral encephalitis 36 Staph infection 36 swine origin 36 Chernobyl catastrophe 36 Virologists 36 Avian flu pandemic 36 World War II 36 E. Coli outbreak 36 smallpox virus 36 sylvatic plague 36 Rotavirus vaccines 36 Dr. Sheela Basrur 36 virulent strains 36 undulant fever 36 S. aureus strains 36 zoonoses diseases 36 influenza subtypes 36 FMD outbreaks 36 pneumonic plague 36 poultry culls 36 contracted polio 36 bark beetle outbreak 36 Equine Herpes Virus EHV 36 Sars epidemic 36 Y. pestis 36 Sudden Acute Respiratory Syndrome 36 Dengue haemorrhagic fever 36 meningitis epidemic 36 Holodomor famine 36 C Difficile 36 septicemic plague 36 War I. 36 salmonella infection 36 P. falciparum 36 Mycobacterium bovis 36 highly contagious norovirus 36 RSV 36 grasshopper infestation 36 Rotavirus infection 36 Antibiotic resistance 36 neurosyphilis 36 measles immunizations 36 La Crosse encephalitis 36 communist witch hunts 36 Phytophthora ramorum 36 deadly Hendra virus 36 lymphoblastic lymphoma 36 Pertussis 36 Mad Cow Disease 36 foulbrood 36 listeriosis 36 Aila cyclone 36 bird flus 36 malaria Plasmodium falciparum 36 P. falciparum parasites 36 Meningococcal infection 36 glanders 36 seasonal allergies 36 seasonal influenza vaccination 36 Equine influenza 36 inoculation 36 West Nile 36 west nile virus 36 infestans 36 Creutzfeldt Jakob Disease 36 disease CJD 36 reactive arthritis 36 pathogenic H#N# 36 C. diff outbreak 36 streptococcus bacteria 36 Influenza pandemics strike 36 Shigellosis 36 viruses mutate 36 USA# [002] 36 H5 avian flu 36 Non Hodgkins lymphoma 36 Rocky Mountain Spotted Fever 36 midge borne 36 bilharzias 36 typhus fever 36 streptococcal infection 36 mass inoculation 36 avian influenza H#N# virus 36 La Conchita landslide 36 progressive neurological disorder 36 chickenpox virus 36 Ebola outbreaks 35 E. coli Acheson 35 equine herpes outbreak 35 EBV infection 35 Dengue 35 Pinatubo eruption 35 Great Contraction 35 Drug resistant tuberculosis 35 Cryptosporidiosis 35 H5NI 35 typhoid outbreak 35 febrile illness 35 vector borne disease 35 Severe acute respiratory 35 diseas 35 MRSA bloodstream infections 35 papaya ringspot virus 35 O# strain 35 spruce beetle 35 tubercle bacillus 35 Epstein Barr virus 35 pandemic influenzas 35 legionnaire disease 35 Great Awakenings 35 WNV 35 cryptosporidiosis 35 Monkey Pox 35 ravaging poultry stocks 35 AIDS pandemic 35 Raccoon rabies 35 antibiotic resistant bugs 35 revaccinate 35 rabies 35 influenzas 35 H#n# 35 C. diff 35 Viral gastroenteritis 35 MRSA Methicillin Resistant Staphylococcus 35 gastrointestinal illnesses 35 LeBailly 35 easily transmittable 35 tick borne encephalitis 35 Aplastic anemia 35 monkeypox 35 varicella vaccine 35 Genital herpes 35 West Nile neuroinvasive 35 bacteria Neisseria meningitidis 35 arboviral 35 Dengue fever 35 salmonella serotype 35 Chronic fatigue syndrome 35 anaphylaxis 35 HFMD 35 Dengue virus 35 pandemic proportions 35 Avian Influenza AI 35 pneumonic 35 Parvo virus 35 invasive pneumococcal disease 35 RAPIACTA ® 35 C diff infection 35 chikungunya outbreak 35 pellagra 35 bird virus mutates 35 cholera outbreak 35 deadly superbug MRSA 35 H#N# vaccines 35 eradicate smallpox 35 virus infects 35 antiviral 35 drug resistant tuberculosis 35 Infectious diseases 35 H5 avian 35 E.coli infections 35 worst locust plague 35 Whooping cough pertussis 35 Napoleonic wars 35 reemerging infectious diseases