2.022.02 Transmitting Transmitting

InfectionInfection

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Transmitting InfectionTransmitting Infection

Direct contactDirect contact

Indirect contactIndirect contact

Airborne Airborne

Vector-borne Vector-borne

22

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Transmitting InfectionTransmitting Infection

Direct contactDirect contact

Person to personPerson to person

Animal to personAnimal to person

Mother to unborn childMother to unborn child

33

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Transmitting InfectionTransmitting Infection

Indirect contactIndirect contact Pathogens are passed along on inanimate Pathogens are passed along on inanimate

objectsobjects

44

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Transmitting InfectionTransmitting Infection

AirborneAirborne Pathogens are carried Pathogens are carried

through the airthrough the air Cling to surroundings Cling to surroundings

and are spreadand are spread

55

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Transmitting InfectionTransmitting Infection

Vector-borneVector-borne Insects carry pathogen from Insects carry pathogen from

host to hosthost to host Flea

Tick

Mosquito

66

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Transmitting InfectionTransmitting Infection

How you get an infection…How you get an infection…– Causative agentCausative agent

– ReservoirReservoir

– Portal of exitPortal of exit

– Mode of transmissionMode of transmission

– Portal of entryPortal of entry

– Susceptible host…breaking the chain!Susceptible host…breaking the chain!

77

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Chain of InfectionChain of InfectionCausative agent

Source or

reservoir

Portal of exit

Mode of transmission

Portal of entry

Susceptible host

88

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Chain of InfectionChain of Infection

Causative agentCausative agent– pathogenpathogen

99

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Chain of InfectionChain of Infection

ReservoirReservoir– area where the area where the

pathogen can livepathogen can live

1010

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Chain of InfectionChain of Infection

Portal of exitPortal of exit– way for the pathogen to way for the pathogen to

escape from the escape from the reservoirreservoir

1111

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Chain of InfectionChain of Infection

Mode of transmissionMode of transmission– way for pathogen to be way for pathogen to be

transmittedtransmitted

1212

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Chain of InfectionChain of Infection

Portal of entryPortal of entry– way to enter new way to enter new

reservoirreservoir

1313

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Chain of InfectionChain of Infection

Susceptible hostSusceptible host– able to be affectedable to be affected– person likely to get sick person likely to get sick

1414

2.02 Understand infection control 2.02 Understand infection control proceduresprocedures

Chain of InfectionChain of InfectionCausative agent

Source or

reservoir

Portal of exit

Mode of transmission

Portal of entry

Susceptible host

1515