Related by context. All words. (Click for frequent words.) 73 avian botulism 67 Avian cholera 66 infected mosquitos 66 columnaris 65 blastomycosis 64 Epizootic Hemorrhagic Disease 64 distemper virus 64 Cryptosporidiosis 63 waterborne parasite 63 sylvatic plague 63 common murres 62 avian malaria 62 Columnaris 62 H7 avian flu 62 Bairnsdale ulcer 62 Hantavirus 62 lungworm 62 canine distemper virus 62 golden alga 62 H5NI virus 62 streptococcus suis bacteria 62 single celled parasite 62 tick borne disease 61 skunk rabies 61 Mute swan 61 Tularemia 61 Parvo virus 61 Rocky Mountain Spotted Fever 61 Distemper 61 Noro virus 61 H5NI strain 61 invasive alga 61 Bonamia 61 relapsing fever 61 itch mite 61 west nile virus 61 contagious bacterial infection 61 vibrio 61 mosquito borne virus 61 H7 virus 61 eared grebes 61 Mosquito borne 61 pox virus 60 viral hemorrhagic septicemia VHS 60 LMBV 60 Whirling disease 60 culex mosquito 60 Salmonellosis 60 waterborne illness 60 canine distemper 60 mosquito borne infection 60 west nile 60 tick borne 60 pine wilt 60 Avian botulism 60 highly pathogenic H#N# virus 60 noro virus 60 hantavirus pulmonary syndrome 60 H#N#virus 59 low pathogenic strain 59 hanta virus 59 mosquito transmitted 59 Aspergillosis 59 Canine distemper 59 RMSF 59 parvo virus 59 Ecoli 59 ehrlichiosis 59 C. gattii 59 whooper swan 59 Chytridiomycosis 59 Klebsiella bacteria 59 chytrid fungus 59 myrtle rust 59 Hepatitis E 59 contagious bacterial 59 canine parvovirus 59 parvum 59 protozoan parasite 59 melioidosis 59 swimmer itch 59 sarcoptic mange 59 neurona 59 Cryptococcus gattii 59 cryptococcus gattii 58 cryptosporidiosis 58 undulant fever 58 arboviruses 58 babesiosis 58 EEE virus 58 H5 avian influenza 58 E.coli bug 58 Largemouth Bass Virus 58 Vibrio parahaemolyticus 58 dieoff 58 Stomach flu 58 psittacosis 58 epizootic hemorrhagic disease 58 Trichinosis 58 mosquito borne encephalitis 58 hantavirus infection 58 biting midges 58 vibrio vulnificus 58 Aedes albopictus 58 avian pox 58 typhus fever 58 legionnaire disease 58 spruce beetle 58 avian influenza H#N# 58 parasitic disease 58 liver flukes 58 White Nose Syndrome 58 Highly contagious 58 migratory ducks 58 Melioidosis 58 E.coli O# 58 raccoon rabies 58 West Nile 57 scrub typhus 57 Viral Hemorrhagic Septicemia 57 Sudden oak 57 Crimean Congo hemorrhagic fever 57 sandfly 57 marburg 57 Ebola outbreaks 57 bacterium Yersinia pestis 57 blacklegged ticks 57 swine dysentery 57 giardia 57 phytophthora ramorum 57 hendra virus 57 O# strain 57 infectious bursal disease 57 meningoencephalitis 57 migrating ducks 57 infected fowl 57 Typhus 57 migrating swans 57 Highly pathogenic avian influenza 57 trichomonosis 57 necrotising fasciitis 57 corona virus 57 Nile virus 57 mosquito borne viral 57 Naegleria fowleri 57 Anaplasmosis 57 mosquito borne illness 57 Bark beetle 57 midge borne 57 Sudden oak death 57 equine influenza virus 57 vibriosis 57 Equine herpes 57 Ebola fever 57 spruce budworm 57 Bluetongue virus 57 parasite Plasmodium falciparum 57 microscopic parasites 57 Outbreak Hits 57 Campylobacter bacteria 57 Babesiosis 57 La Crosse encephalitis 57 Kennel cough 56 hemorrhagic dengue fever 56 H7 subtype 56 norovirus gastroenteritis 56 MRSA Methicillin 56 malaria Plasmodium falciparum 56 mallard ducks 56 Lepto 56 Hanta virus 56 West Nile Virus 56 mosquito borne viruses 56 cryptococcal meningitis 56 rabid foxes 56 blight fungal 56 Bilharzia 56 Psittacosis 56 Vibrio bacteria 56 Viral Hemorrhagic Septicemia VHS 56 pathogenic H#N# strain 56 Streptococcus suis 56 pfiesteria 56 Crimean Congo Haemorrhagic Fever 56 bacteria streptococcus suis 56 Bubonic Plague 56 chikungunya fever 56 Parvo Virus 56 squirrel pox 56 Batrachochytrium dendrobatidis 56 giardiasis 56 brainworm 56 Tick bites 56 Cuvette Ouest 56 streptococcus suis 56 respiratory syndrome 56 equine encephalitis 56 fungus Batrachochytrium dendrobatidis 56 phytophthora 56 tick borne illness 56 St. Louis encephalitis 56 blacklegged tick 56 Chlamydophila psittaci 56 Toxoplasmosis 56 feline distemper 56 adenovirus infection 56 fever tularemia 56 H5 avian flu 56 bee mite 56 ramorum 56 parasitic infection 56 Barmah Forest virus 56 trematodes 56 bleeding canker 56 HPAI H#N# 56 WNV infection 56 West Nile virus 56 anaplasmosis 56 Infected mosquitoes 56 blight fungus 56 Meningococcemia 56 Leptospirosis 56 St. Louis Encephalitis 56 microscopic parasite 56 Calicivirus 56 haemorrhagic fever 56 Swine flu viruses 55 pH#N# 55 Legionnaire Disease 55 parasite Cryptosporidium 55 hantavirus 55 swine influenza A/H#N# 55 shellfish poisoning 55 parasite cryptosporidium 55 Chronic wasting disease 55 Typhoid fever 55 ciguatera 55 crayfish plague 55 infected mosquitoes 55 parasite plasmodium 55 biting midge 55 gray heron 55 bluetongue virus 55 Staphylococcus aureus MRSA 55 Legionella bacterium 55 parasitic flatworm 55 arbovirus 55 West Nile encephalitis 55 rabid skunks 55 low pathogenic H5 55 yersinia 55 H7 bird flu 55 culex tarsalis 55 Norovirus outbreaks 55 Aedes vexans 55 Parvovirus 55 Ehrlichiosis 55 tick borne illnesses 55 lyssavirus 55 Plum pox 55 Chikungunya virus 55 Cyclospora 55 domesticated fowl 55 trichinosis 55 Buruli ulcer 55 highly pathogenic H#N# 55 bacteria Neisseria meningitidis 55 Kunjin virus 55 female Anopheles mosquito 55 Outbreak Kills 55 parasite Trypanosoma cruzi 55 parvovirus 55 fusarium fungus 55 antibiotic resistant strain 55 streptococcal disease 55 Chikungunya fever 55 migratory swans 55 Heartworm disease 55 H7 strain 55 Infestations 55 H5NI 55 Kunjin 55 Dengue hemorrhagic fever 55 tickborne diseases 55 rat lungworm 55 tufted ducks 55 infant botulism 55 transmit dengue 55 Culex mosquito 55 vector mosquito 55 tick borne diseases 55 Cryptococcus neoformans 55 WNv 55 chikungunya virus 55 Zebra mussel 55 sicken humans 55 rhinoceros auklets 55 Equine piroplasmosis 55 itch mites 55 salmonella infection 55 dengue fever mosquito borne 55 red necked phalarope 55 Equine encephalitis 55 algal bloom 55 Vibrio 55 Sporadic CJD 55 Pasteurella 55 golden staph 55 sea lice infestation 54 M. leprae 54 mosquito borne 54 C. difficile bacterium 54 Parvo 54 swine brucellosis 54 secondary bacterial infections 54 HN# strain 54 amoebic encephalitis 54 Arsenic poisoning 54 invasive insect 54 Downy mildew 54 contagious norovirus 54 rattlesnake bites 54 shigellosis 54 tick infestations 54 parasiticus 54 raccoon roundworm 54 great crested grebe 54 redbay trees 54 Encephalitis 54 tanoaks 54 western grebes 54 brucella 54 vector mosquitoes 54 Algae bloom 54 E.Coli 54 viral haemorrhagic fever 54 highly pathogenic avian flu 54 Nosema ceranae 54 campylobacter jejuni 54 aedes aegypti mosquito 54 whirling disease 54 Streptococcus suis bacteria 54 upper respiratory illnesses 54 WNV infections 54 Tick borne diseases 54 beak deformities 54 myiasis 54 Rift Valley Fever RVF 54 contagious viral infection 54 Toxic algae 54 Schistosomiasis 54 shigella bacteria 54 fungal pathogen 54 redbreast sunfish 54 plum pox 54 whooping cough outbreak 54 virulent H#N# virus 54 Rattlesnake bites 54 eating puffer fish 54 meningo encephalitis 54 New Zealand mudsnails 54 coli salmonella 54 Nosema 54 Mosquito borne illnesses 54 LPAI H#N# 54 Chytrid 54 myxomatosis 54 Chytrid fungus 54 Vector borne diseases 54 glanders 54 Marburg fever 54 mosquito vectors 54 squirrel pox virus 54 mountain pine beetles 54 Meningococcal disease 54 cholera bacteria 54 salmonella infections 54 Devil Facial Tumour 54 spruce bark beetles 54 toxoplasma gondii 54 chytridiomycosis 54 highly pathogenic virus 54 naturally occurring anthrax 54 Ebola Reston 54 surf scoters 54 Noro Virus 54 yellow billed magpies 54 Toxoplasma gondii 54 methicillin resistant staph 54 pathogenic bird flu 54 Avian Bird Flu 54 Koi Herpesvirus 54 scabies mite 54 Acute diarrhea 54 H1 N1 virus 54 transmit Lyme disease 54 Ebola outbreak 54 E.coli infection 54 rabid raccoons 54 Hantavirus pulmonary syndrome 54 Disease DFTD 54 redpolls 54 floodwater mosquito 54 grebes 54 E Coli bacteria 54 waterborne bacteria 54 lepto 54 Variant CJD 54 Feral pigs 54 Ebola Hemorrhagic Fever 54 e.Coli 54 XDR tuberculosis 54 SIVcpz 54 Emerald ash borer 53 adder bite 53 Monkeypox 53 Rift Valley fever 53 mudsnails 53 Shiranui Sea 53 Listeria infections 53 Varroa mites 53 enteritis 53 African Horse Sickness 53 Swimmer itch 53 cladophora 53 Swine fever 53 E. Coli O# H7 53 gastro intestinal illness 53 Culicoides 53 ghariyals 53 murine typhus 53 parasitic roundworms 53 destructive beetle 53 gastroenteritis diarrhea 53 gypsy moth larvae 53 Crimean Congo Hemorrhagic Fever 53 cryptococcus 53 parasite transmitted 53 Plasmodium knowlesi 53 Cellardyke Fife 53 katipo 53 Didymo 53 Tick borne 53 outbreak 53 fall webworm 53 selenium poisoning 53 Measles outbreak 53 bighorn herds 53 Sudden Oak 53 Tent caterpillars 53 Canine influenza 53 Neisseria meningitides 53 Margram village 53 bug Clostridium difficile 53 Avian influenza H#N# 53 bubonic plague 53 mosquito borne disease 53 lymphogranuloma venereum LGV 53 toxic algae bloom 53 superbug C. difficile 53 eastern tent caterpillars 53 Kubu Simbelang village 53 dengue mosquito 53 H#N# subtype 53 pine bark beetles 53 ash borer infestation 53 migratory fowl 53 Great blue herons 53 Stripe rust 53 transmissible spongiform encephalopathy 53 blister rust 53 norovirus outbreaks 53 protozoan parasites 53 brown recluse spider 53 Rift Valley Fever 53 Haemorrhagic 53 Salmonella typhi 53 low pathogenic strains 53 Equine Encephalitis 53 highly pathogenic H5 avian 53 Creutzfeld Jakob disease 53 hoof rot 53 ravaged poultry flocks 53 toxic algal blooms 53 Giardia parasite 53 rusty blackbird 53 Cellardyke harbor 53 wild fowl 53 gastro intestinal infections 53 Ebola hemorrhagic fever 53 phytoplasma 53 Phytophthora ramorum 53 Coccidiosis 53 marine biotoxin 53 Israeli Acute Paralysis 53 Lyme disease Rocky Mountain 53 acanthamoeba 53 antibiotic resistant bacterium 53 bighorn sheep herd 53 clostridium 53 tent caterpillars 53 Bacterial infections 53 eider ducks 53 venereal syphilis 53 salt marsh mosquito 53 bacterium Clostridium sordellii 53 Cryptococcus 53 tularemia 53 deadly Marburg virus 53 E. coli STEC 53 mosquito borne viral infection 53 measles epidemics 53 foodborne diseases 53 LaCrosse encephalitis 53 polioviruses 53 salt marsh mosquitoes 53 Double crested cormorants 53 Salmonella Saintpaul strain 53 Ciguatera 53 capture myopathy 53 Varroa mite 53 Marburg hemorrhagic fever 53 Zebra Mussels 53 Ebola haemorrhagic fever 53 quaggas 53 e coli bacteria 53 tick borne infections 53 Anopheles mosquitoes 53 H5 viruses 53 legionnaires disease 53 Rickettsia 53 insect vectors 53 infectious syphilis 53 zoonosis 53 invasive zebra mussels 53 superbug Clostridium difficile 53 crows magpies 53 CCHF virus 53 budworm 53 deformed beaks 53 parasitic infections 53 Culex tarsalis mosquitoes 53 H5 strains 53 Methicillin resistant 53 migratory flocks 53 Anaplasma 53 Coronaviruses 53 birds 53 Legionnaire disease 53 mesias 53 Ixodes 53 foulbrood 53 Migratory birds 53 wild bighorns 53 tick transmitted diseases 53 Crimean Congo haemorrhagic fever 53 Equine Herpes 52 algal toxin 52 Histoplasmosis 52 coccidiosis 52 Chronic wasting 52 mutated virus 52 H7 strains 52 Gypsy moth 52 medfly 52 virulent H#N# bird flu 52 pathogenic H#N# 52 viral haemorrhagic 52 highly pathogenic bird flu 52 toxic algae blooms 52 viral hemorrhagic septicemia 52 Staphylococcus Aureus 52 pathogenic strain 52 typhoid dysentery 52 Potato blight 52 Ebola 52 bilharzia 52 elephant herpesvirus 52 Nipah virus 52 H7 viruses 52 Legionella pneumonia 52 pine bark beetle 52 dunlins 52 neuroinvasive form 52 meningococcal bacteria 52 pasteurella 52 Black footed ferrets 52 transmissable 52 venomous snakebites 52 rotovirus 52 Heishan county 52 Naegleria fowleri nuh ee 52 fowl cholera 52 aspergillosis 52 bubonic 52 human metapneumovirus 52 Mumps outbreak 52 salmonella typhimurium 52 coli bacteria 52 eating undercooked meat 52 Legionella infection 52 enterobacter 52 Borrelia 52 toxicosis 52 amoeba Naegleria fowleri 52 elm yellows 52 haemolytic uraemic syndrome HUS 52 avian flu virus 52 Culex pipiens 52 Trumpeter swan 52 lethal H#N# strain 52 Northern Pintail 52 Norovirus outbreak 52 domoic acid poisoning 52 pink hibiscus mealybug 52 migratory birds 52 migrating birds 52 voracious pest 52 cyclospora 52 MRSA methicillin resistant staphylococcus 52 Viral gastroenteritis 52 uraemic syndrome HUS 52 chickens ducks turkeys 52 Algal blooms 52 full blown haemolytic 52 viral bacterial 52 Mute Swans 52 disease 52 septicemic 52 bacterium Mycobacterium tuberculosis 52 spore forming bacterium Bacillus 52 Emerald ash borers 52 varroa bee mite 52 cerebrospinal meningitis 52 auklets 52 West Nile neuroinvasive 52 Soybean aphids 52 Hookworms 52 KHV 52 spruce beetles 52 venomous snake bites 52 bacterium Neisseria meningitidis 52 Sleeping sickness 52 mud snail 52 emerald ash borer beetle 52 listeria infection 52 highly pathogenic H#N# strain 52 porcine reproductive 52 Ehrlichia 52 cyanobacteria blooms 52 Bubonic plague 52 Mycobacterium bovis 52 enteroviruses 52 atypical pneumonia outbreak 52 VHSV 52 HINI virus 52 chancroid 52 Pneumonic plague 52 Citrus canker 52 mosquito Aedes aegypti 52 salmonella serotype 52 Didemnum 52 migratory wildfowl 52 mudsnail 52 amphibian chytrid fungus 52 microscopic mite 52 Devil Facial Tumor 52 Plasmodium ovale 52 Metarhizium anisopliae 52 mycobacterium tuberculosis 52 shigella 52 fungal organisms 52 salmonella typhi 52 Enterobacter cloacae 52 Legionnaires disease outbreak 52 harbor porpoises 52 mycoplasma bacteria 52 herpes encephalitis 52 freshwater crocodiles 52 dabbling ducks 52 nosema 52 sporadic Creutzfeldt Jakob 52 Meningococcal meningitis 52 Rinderpest 52 Vancomycin resistant 52 Algal bloom 52 tick bites 52 heartworm disease 52 toxic algae 52 Sewage spills 52 cackling geese 52 Late Blight 52 Nipah Virus 52 Septicaemia 52 parasite Plasmodium 52 Legionnaires Disease 52 P. ramorum 52 haemolytic uraemic syndrome 52 Migrating birds 52 bacterium Vibrio cholerae 52 Viral hemorrhagic septicemia 52 loons grebes 52 hobo spider 52 grasshopper infestations 52 viral haemorrhagic fevers 52 skuas 52 bacterial infection 52 avian flu 52 parasitic mite 52 mosquito vector 52 mosquito Aedes 52 vector borne 52 leopard frogs 52 diease 52 oubreak 52 Geomyces destructans 52 ducks swans 52 Shigella dysentery 52 Eastern Equine encephalitis 52 insect borne 52 C Difficile 52 deadly hemorrhagic fever 52 Avian Influenza H#N# 52 parasitic worm 52 eared grebe 52 spider bites 52 chytrid fungus Batrachochytrium dendrobatidis 52 Shigella bacteria 52 H7 subtypes 52 nematode parasite 52 E.coli bacteria 52 migratory waterfowl 52 Culex tarsalis 52 rust spores 52 simian foamy virus 52 blacklegged 52 parasite infestations 51 Cattle Egrets 51 enterohaemorrhagic E. coli EHEC 51 Salmonella Typhi 51 mycobacteriosis 51 Hendra Virus 51 whitebark pines 51 avian influenza outbreak 51 canine influenza 51 fulmar 51 Culex tarsalis mosquito 51 hendra 51 vibrio parahaemolyticus bacteria 51 Moraxella bovis 51 fungal infection 51 Kennel Cough 51 toxic algal bloom 51 spur throated locusts 51 slender billed curlew 51 culex 51 equine herpes virus 51 H7 avian influenza 51 northern fulmars 51 Barrow goldeneye 51 Giardia lamblia 51 female Aedes mosquitoes 51 haemorrhagic fevers 51 feline panleukopenia 51 mycobacterium avium 51 blackfly 51 Burkholderia pseudomallei 51 Aeromonas 51 mucormycosis 51 Africanized bee 51 Ixodes scapularis 51 spore forming bacteria 51 bacterium Staphylococcus aureus 51 Pneumococcal meningitis 51 harbor porpoise 51 uh erh eye 51 fungus 51 oak wilt 51 monkeypox virus 51 ebola virus 51 mite infestation 51 Leptospira 51 ambrosia beetles 51 Scrapie 51 leishmania 51 Meningococcal Meningitis 51 Avian Influenza Bird Flu 51 fungal disease 51 woolly adelgid 51 V. parahaemolyticus 51 elm bark beetles 51 H#N# Bird Flu 51 Hantavirus Pulmonary Syndrome 51 cryptosporidium parasite 51 surf scoter 51 Salmonella saintpaul 51 fungal meningitis 51 carbapenem resistant Klebsiella pneumoniae 51 Virus Found 51 E. coli strain 51 Respiratory Syndrome PRRS 51 E coli O# 51 Trypanosoma 51 campylobacter infection 51 typhoid malaria 51 Badaohao 51 neisseria 51 migrating wildfowl 51 nitrate poisoning 51 A/H#N# infection 51 lodgepole pine forest 51 parasitic fungus 51 arboviral 51 hemorrhagic septicemia 51 mutated strain 51 Ranikhet disease 51 variant Creutzfeld Jakob 51 Pseudorabies 51 mosquito borne diseases 51 Ebola Reston virus 51 Common Goldeneye 51 Confirmed Cases 51 Typhoid Fever 51 Beached whale 51 bacterium Francisella tularensis 51 Pesticide spraying 51 Inhalation anthrax 51 Babesia 51 Yersinia enterocolitica 51 serratia 51 muntjac deer 51 Plasmodium Falciparum 51 DFTD 51 Hookworm 51 C. Difficile 51 diarrheal illness 51 plasmodium falciparum 51 arenavirus 51 Norwalk Virus 51 viral gastroenteritis 51 Elm Disease 51 foodborne botulism 51 E Coli 51 infectious bacterial 51 mosquito transmitted diseases 51 floating pennywort 51 E coli bacteria 51 Ash Borer 51 PCVAD 51 babesia 51 coli O# H7 51 southerly latitudes 51 Bohemian waxwings 51 hydatid disease 51 cryptosporidium 51 tracheal mite 51 intestinal infections 51 Invasive fungal infections 51 alphavirus 51 airborne fungus 51 Emerald Ash Borers 51 Anaplasma phagocytophilum 51 dengue haemorrhagic fever 51 parasite Leishmania 51 mass beaching 51 malaria dysentery 51 elephant herpes virus 51 common eiders 51 vibrio bacteria 51 Wigeon 51 falciparum 51 fungus infects 51 borne pathogen 51 ivory gull 51 tick borne encephalitis 51 infectious disease 51 oak borer 51 Citrus greening 51 spore forming bacterium 51 cutaneous anthrax 51 red necked grebe 51 waterfowls 51 Clouded leopards 51 leptospirosis bacterial disease 51 C. difficile infections 51 female anopheles mosquito 51 coccidia 51 Burkholderia 51 Psyllids 51 diarrhea cholera 51 dysentery malaria 51 fulmars 51 Gypsy moths 51 acinetobacter 51 H1NI 51 rodent borne diseases 51 phalaropes 51 Neisseria 51 virulent fungus 51 Genetically modified mosquitoes 51 cysticercosis 51 Helicobacter pylori bacterium 51 Anthracnose 51 Chronic Wasting 51 streptococcus pneumonia 51 acute viral infection 51 invasive meningococcal disease 51 wheat curl mite 51 varroa mite 51 laurel wilt 51 veterinary epidemiologist 51 locust hatchings 51 harmful algae bloom 51 bacteria Bacillus anthracis 51 paralytic illness 51 deadly Hendra virus 51 Entamoeba histolytica 51 Cholera typhoid 51 northern parula 51 spores germinate 51 Zoonotic 51 Salmonella infection 51 Caulerpa 51 mother Shirley Almer 51 H#N# Flu Virus 51 pig herds 51 mallards pintails 51 Adelgids 51 avian influenza outbreaks 51 Snowmelt swollen rivers 51 Pneumonic Plague 51 schistosomes 51 H#N# 51 aedes aegypti mosquitoes 51 Virologists 51 Plasmodium falciparum malaria 51 moose sightings 51 red colobus 51 mosquitoes Aedes aegypti 51 migratory flyway 51 Cryptosporidium parvum 51 Aedes Aegypti mosquito 51 PMWS 51 mosquito borne dengue fever 51 Canine Parvovirus 51 Equine Herpes Virus EHV 50 low pathogenicity avian 50 causes diarrhea vomiting 50 Campylobacter jejuni 50 sporadic CJD 50 rabid skunk 50 Saintpaul strain 50 H5 N1 50 nitrite poisoning 50 staph superbug 50 anopheles mosquitoes 50 highly contagious 50 H#n# 50 Antibiotic resistant bacteria 50 Gastroenteritis 50 Noroviruses 50 voracious insects 50 sooty shearwaters 50 necropsied 50 Cormency 50 protozoan 50 antibiotic resistant superbugs 50 decimated poultry flocks 50 virulent H#N# 50 microscopic mites 50 northern pintails 50 sugarcane smut 50 Whooping cough pertussis 50 bacterium Mycobacterium leprae 50 Nile Virus 50 curable sexually transmitted 50 toad tadpoles 50 salvinia 50 beech bark disease 50 Culex quinquefasciatus 50 Hydrilla 50 Cases Confirmed 50 whipworm 50 infection 50 paralytic polio 50 guillemots 50 aspergillus 50 bacterium Salmonella 50 H5 strain 50 superbug clostridium difficile 50 tiger mosquito 50 squirrelpox virus 50 Streptococcus equi 50 Caspian tern 50 atypical scrapie 50 curly leaf pondweed 50 Enteritidis 50 hibernating bats 50 immature bald eagle