Related by context. Frequent words. (Click for all words.) 37 originate 35 Tonight Showers 32 migratory paths 32 originates 31 originating 30 Gambian rats 29 origination 29 infects humans 29 Salmonella Typhimurium 28 occurring 28 Migrating birds 28 originated 28 avian flu viruses 27 airs 27 Send2Press ® 27 live 27 occuring 27 tectonic fault 26 spawn tornadoes 26 ingesting contaminated 26 Scientists theorize 26 reoccurs 26 epicenters 26 Swine influenza 25 fecal oral 25 rerouted 25 WOWK TV 25 Novarg 24 occurs 24 TK Maxx stores 24 Indian subcontinent 24 Vibrio cholerae 24 collateralized 23 originators 23 Prevailing winds 23 highly pathogenic H#N# 23 foodborne 23 Wheat gluten 23 genesis 23 origins 23 naturally occuring 23 psychogenic 23 migrating 22 origin 22 geographically isolated 22 occurred 22 overwinter 22 southeast 22 Public Switched Telephone 22 Origination 22 causative agents 22 securitizes 22 Maritime Provinces 22 varies widely 21 reroutes 21 epicenter 21 transmitted 21 Originating 21 shipped 21 transmittable 21 related 21 traceable 21 transited 21 occurs naturally 21 migrate 21 varies 21 respiratory droplets 21 imported 21 primarily 21 occured 21 Originated 20 predated 20 migrates 20 localized 20 shipments 20 overland routes 20 largely ungoverned 20 metastasizes 20 infect humans 20 occur 20 noncontiguous 20 unassociated 20 spreads 20 traced 20 transmit 20 Parimutuel betting 20 bypasses 20 originator 19 olfactory bulb 19 vary widely 19 precursors 19 cross pollinating 19 Transmitted 19 predates 19 retransmitting 19 recurs 19 recur 19 transmissible 19 shipment 19 plagues 19 transshipments