Matching Pairs Chain of infectionOnline version Test your chain of infection knowledge by Teresa Crozier 1 washing hands 2 portal of exit 3 pathogen 4 indirect contact 5 mode of transmission 6 direct contact 7 portal of entry 8 not washing hands 9 reservoir 10 susceptible host way to break chain of infection where the organism lives wound draining touching germ touching something that touched a germ disease causing organism broken skin how an organism travels way to promote chain of infection someone who can contract an infection