HLTB21H3 Study Guide - Human Migration, Pus, Blood Test
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What are the 2 sub theories of the pre- It is believed that the disease came from. It was contracted by french soldiers who slept with unclean women and returned to france: colombian theory: introduced to europe from the new world ( possibly returned with. Proof is from skeletal findings, written records, and patterns of spread. The human disease yaws, pinta and syphilis are identical in their morphology but differ very little genetically. Theory suggests that human treponemes may have come from animals and that an infection similar to pinta (localized in the skin). Arose about 15,000 bc in africa and then with human migration passed across the. Early observes belived that syphilis was god"s punishment for human sexual excesses. Later fracastoro theorized that syphilis was a result of seed contagion. Germany identified the bacterium in the syphilitic chancres. Humans are the only natural host for t. pallidum. It was confused and associated with another venereal disease, gonorrhea.