GEOG103 Lecture Notes - Lecture 18: Zoonosis, Bird Migration, Avian Influenza
19 Apr 2018
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Reservoir humans for t. b. gambiense; livestock and wildlife for t. b. rhodesiense. Similarities between african and american= similar parasite. (cid:862)assassi(cid:374) (cid:271)ug(cid:863) reservoir: humans and a wide variety of domestic and wild mammals, especially dogs, cats, guinea pigs, rodents, and opossums. Can only be diagnosed when in the blood (first couple of months); then turns clinical. Very mild symptoms: fever, headache, muscular discomfort. Can die and never know you had it. T. cruzi parasite; related to sleepy sickness disease; same family / species of protista. Endemic in south america/ central america; bolivia. Driver migration of people who live there: global connectivity. Vector migration spreading to new geographical regions. Predominantly in latin america, but also found in the us (not as common) From trichome bug (kissing bug) true bug. Differe(cid:374)t a(cid:271)out this disease/(cid:448)e(cid:272)tor: they do(cid:374)"t tra(cid:374)s(cid:373)it (cid:448)ia sali(cid:448)ary gla(cid:374)ds; i(cid:374)stead of injecting, they defecating next to the wound they create. Not contagious; vertical transmission from mom to child.
