Related by context. Frequent words. (Click for all words.) 83 bovine TB 67 CWD 67 chronic wasting 66 brucellosis 58 avian influenza 56 FMD 52 mad cow disease 52 West Nile Virus 51 West Nile virus 51 mad cow 50 avian flu 50 emerald ash borer 50 bird flu 49 badgers 49 H#N# virus 49 bird flu outbreak 48 West Nile 48 deadly H#N# strain 48 rabies 47 disease 47 biosecurity 47 bird flu virus 47 H#N# influenza virus 47 tuberculosis 47 H#N# 47 bovine spongiform encephalopathy 47 WNV 46 livestock 46 E. coli O# H7 46 mosquito borne disease 46 MRSA 45 H#N# influenza 45 TB 45 herds 45 Bird flu 45 Mad cow 45 beef cattle 45 swine flu 45 invasive species 45 swine influenza 45 soybean rust 45 monkeypox 45 quarantines 45 Defra 44 H#N# avian influenza 44 E.coli 44 highly contagious 44 E. coli 44 H#N# bird flu 44 E coli 44 Avian flu 44 cattle 43 whooping cough 43 DEFRA 43 mumps 43 elk 43 Lyme disease 43 salmonella 43 pathogen 43 H#N# flu 43 quarantine 43 outbreak 43 communicable diseases 43 vCJD 43 deer 42 deer herd 42 swine flu virus 42 contagious disease 42 gray wolf 42 communicable disease 42 H#N# strain 42 swine 42 poultry 42 OIE 42 swine flu outbreak 42 pest 41 measles 41 prairie dogs 41 bison 41 superbug 41 Tuberculosis 41 infectious disease 41 gray wolves 41 E. coli outbreak 41 Swine Flu 41 salmonella bacteria 41 herd 41 influenza 41 virus 41 pandemic influenza 41 white tailed deer 41 Ebola 41 infestation 40 bird flu outbreaks 40 polio 40 wolverine 40 dairy cow 40 contagious diseases 40 poultry farms 40 Lyme Disease 40 NAIS