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