Ep. 490 – Global Insights on Avian Flu: Are Waterfowl Hunters at Higher Risk?
July 27, 202352m 59s
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Show Notes
Dr. Richard Webby, faculty member at St Jude Children’s Research Hospital and global expert on influenza viruses, joins Drs. Mike Brasher, Karen Waldrop, and DU staff for a look back on the 2022 Avian Flu outbreak. In this science-heavy episode we ask where it came from, is it here to stay, and what can we expect going forward? We also learn why it is showing up in mammals and what this means for our pets. Also, will mutations increase the human health risk and are waterfowl hunters at higher risk?
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Topics
special opportunityspecial guestconversationhighly pathogenic avian influenzaDucks UnlimitedgentlemanRob Websterinfluenza worldwild waterfowlfluhostresearch programSt. Jude Children's Research HospitalMemphispediatric children's hospitalavian flucellscancerous cellsvirusesoncogenesvirologystudy of cancervirologistspatient populationinfectious diseasesgrantH5N1Hong KongNew ZealandMemphisTennesseenewshuman influenza viruslabvaccinescirculating dominant strainWHO Claiborne Center for Studies in the Ecology of Influenza in Animals and BirdsGlobal Influenza Programrecommendationsflu shotcollaborating centersLondonUS CDCanimalinfluenzaavian influenzacollaborating centersflu virusesvaccine antigensinfluenzastrainswild waterfowl populationsCOVID-19SARS-CoV-2 virustranscriptpodcast episodemid 2000sQinghai Lakebirdsmajor issueindustryhuman healthAmericasSouth AmericawidespreadAfricaendemicviruspersistbiological sensemigratory birdsresident populationslocal spreadnew outbreaks20142015left coastsummer monthswild waterfowl populationssubtypechangefluwaterfowl hunterssnow geeseRoss's geesedeclinesymptomatic birdsfieldprevalent observationsusceptible birdsimmunitydecreasebuild-up of immunitysolid evidenceseverity of diseasesurvivorsgeneticsviruspopulation immunitymass die-offsfallwaterfowl populationsmigrate southexpectationsexpertsprior exposureadult birdsjuvenile birdsduration of immunityendemicmortalityillnessyoung birdsvirusvirusespatternslow path flupopulationbird flumammalsinfectionsea lionsottersminkfoxbearnational mediaunderstandingcontractingvirusfit for birdswaterfowl birdmammal hostschompingdead or sick birdhuge amount of virusone-off eventsfeeding on sick or dead carcasshawksbirds of preyeaglestransmissionability to transmitadaptationhumansselection againstmammalian-likeexcitementmeterinfectionsvirusavianmammaltransmissionriskhuman healthmammaldogownercase fatalitytrue infectionsstudiescollaboratorspoultry raising areasaerosoldangerous activitycollectingduckretrieved duckviruspillowairpluckingriskstudiesSoutheast poultryconfined settingspoultry marketsAsiade-plucking machinesspinbirdaerosolizedcareDr. Dave Stalnickadvisingmechanical pluckerswell ventilated spacemaskmimiclive poultry marketde-feathering machinesferretshuman infectionpurchasing a birdkillinginfectedair samplinghighly infectiouschangesmutatingriskmammal to mammal transmissionbirdsfluvirusesmutatemutationsvirusbird virushuman virusde-featheringdanderbloodbornevirusaerosolizedstrainhighly pathogenic avian flubehaviorinfectionbirdsclinical trialsH5 vaccinesUS governmentbloodSt. Junothuman healthpoultryChinaEgyptMexicovaccinationpoultry tradedollarsprovediseasecondorsCaliforniawild birdsfacilitymillions of birdscontrolled environmentinjection type devicespray vaccinewaterfowl huntersavian influenza virusconcernedadvicememberscommunicatingwaterfowl huntersvirusriskreduceCOVID-like thingvirusregulationsCanadainfectedeatingendemicbirds of preymammalsinfectionbarbecue prowess