Resident on isolation with parainfluenza:

Infectious agent: parainfluenza

Reservoirs: resident and their environment (room and contents)

Portal of exit: other staff, wandering residents, family member who come to visit
Items removed from environment (dirty linens, food containers)

Mode of transmission: staff (hands), inanimate objects (drinking glasses), infectious resident clothing

Portal of entry: passed by staff to others (residents, other staff)

Susceptible host: other residents, staff, visitors