CT203 Lecture Notes - Lecture 7: Cytotoxic T Cell, Phagocytosis, Sepsis
Document Summary
From human to human: no intermediate organism required, transmission may occur through direct skin-to-skin contact, contact with bodily fluids (e. g. , stds, through the inhalation of aerosols expressed through the sneezing or. From animal to human (zoonotic diseases: no intermediate organism required, transmission may occur through direct contact (e. g. , rabies), or through the consumption of contaminated animal tissues (e. g. , parasites, vcjd) Example: swimmer"s itch part of its lifecycle is in a snail. Pathogen snail pathogen leaves snail pathogen enters. Spread because of potential human host has come in contact with the insect. When the mosquito bites us, it releases the parasites into the. January 28th, 2016 bloodstream through its saliva and infects red blood cells via the liver: many opportunities for intervention. They act as a reservoir for infection of the diseases. Yellow fever in africa versus south america: vector: the intermediate organism, host: the potential human infective their spatial distributions must intersect)
