Related by context. Frequent words. (Click for all words.) 68 lethal H#N# strain 68 H5 strain 66 highly pathogenic H#N# strain 65 Danube delta 63 wild fowl 63 swans 60 H5 virus 60 deadly H#N# strain 59 Ruegen 56 H#N# bird flu 54 deadly H#N# virus 53 migratory birds 51 H#N# strain 51 birds 50 wildfowl 50 virulent H#N# strain 49 bird flu strain 49 migrating birds 49 Migratory birds 48 Eastern Equine Encephalitis 47 avian influenza 47 A/H#N# flu cases 47 highly pathogenic 47 mallard ducks 47 bird flu virus 47 bird species 47 highly pathogenic avian influenza 47 H5 47 poultry farms 46 bird flu 46 H#N# avian flu 46 mute swans 46 swan 46 Eastern equine encephalitis 46 mosquito pools 46 H#N# avian influenza 46 trumpeter swans 45 bluetongue 45 birdflu 45 eastern equine encephalitis 45 nesting pairs 44 flocks 44 chronic wasting 44 avian influenza viruses 44 blue jay 44 avian flu 43 fallow deer 43 migratory waterfowl 43 mallards 43 Chronic Wasting Disease 43 ducks 43 Campylobacter 43 Bird flu 43 swine fever 43 avian influenza virus 43 avian flu virus 43 West Nile virus 42 tundra swans 42 turtle doves 42 waterbirds 42 fowl 42 Weybridge England 42 West Nile Virus 42 Chronic wasting disease 42 bird sanctuary 42 Monkeypox 42 CWD 42 kestrels 42 guinea fowl 41 Avian influenza 41 mosquito borne virus 41 wading birds 41 bird flu outbreak 41 geese 41 wild turkeys 41 Health Minister Recep 41 wild boars 41 cormorants 41 Tamiflu resistant 41 WNV 41 deer ticks 41 bird flu outbreaks 41 bald eagles 41 starlings 41 E.Coli 41 rabid raccoon 41 ospreys 41 birdwatchers 41 heron 41 birdlife 41 peacocks 40 mosquito borne 40 EHEC 40 poultry flocks 40 Avian Influenza 40 great blue herons 40 hens 40 cattle herds 40 chickens ducks 40 mallard 40 fowls