Sort the Transmission Link

Sort each control action by the chain-of-infection link it primarily interrupts. Source or reservoir Mode or vehicle Portal of entry Susceptible host Exclude symptomatic food handlers from food preparation Treat a diagnosed infectious case with appropriate therapy Remove a shared intake tablet until it can be disinfected between uses Improve room ventilation for suspected airborne spread Use gloves and eye protection during splash-prone procedures Cover cuts before handling contaminated material Offer vaccination to unprotected staff when indicated Provide post-exposure prophylaxis to eligible contacts

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