Chain of infection/Break the chain

Area where the causative agent can live 

• mode of transmission
• portal of exit
• reservoir
• portal of entry

Way that causative agent transmits to another host

• portal of entry
• portal of exit
• reservoir
• mode of transmission

Pathogen that causes disease

• portal of exit

• susceptible host

• infectious agent

• portal of entry

way for causative agent to escape the reservoir

• portal of entry
• portal of exit
• reservoir
• causative agent

person who gets a disease because of weak defenses

• causative agent
• susceptible host
• reservoir
• portal of entry

Tags

NGSS.MS-LS4-4

way for the causative agent to enter a new reservoir

• portal of entry
• portal of exit
• direct
• indirect

person to person contact

• direct
• indirect
• mode of transmission
• reservoir

pathogen transmitted through air, soil, food or feces

• direct contact
• indirect contact
• opportunistic infection
• nosocomial infection

How many links are in the Chain of Infection?

• 10
• 5
• 12
• 6

What is the single most effective way to break the Chain of Infection?

• Handwashing
• Sterilization
• Cleaning surfaces
• Nutrition