Transcription of Infection Control Principles & Strategies
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Infection Control Principles & Strategies
Infection Control Principles & StrategiesFocus on the Outbreak ContextDr Cath MurphyMs Sue ResnikDr Gail ThomsonDr Carmem L Pessoa-SilvaShort Course on Infectious Diseases in humanitarian EmergenciesLondon, 1stApril, Module Plan Basic IC Principles & Strategies Basics of HH, PPE, & Isolation Precautions The outbreak context ScenariosBasic Principles of Infection ControlChain of InfectionIn order to Control or prevent Infection it is essential to understand that transmission of a pathogen resulting in colonisation or Infection requires the following 5 vital links:AgentAgentSourceSourceMode ofMode oftransmissiontransmissionPortal of entryPortal of entryinto the hostinto the hostSusceptible hostSusceptible hostAgentTypes of potential pathogens Health care setting Health care can be at home, community centres, hospitals, etc. Primary source = patient (secretions, excretions, body fluids, respiratory aerosols) Non-health care setting Farms, etc Primary source = animals, plantationRisk of InfectionNever forget the manikin s head and neckContaminated intubationequipmentMain Modes of Transmission Contact Direct contact Common vehicle Droplet (large aerosols) Airborne tiny aerosols (droplet nuclei) over long distance VectorModes of TransmissionRespiratory Aerosols Respiratory aerosols comprise Droplets = large aerosols, size 5 m
Humanitarian Emergencies London, 1 st April, 2009. IC Module Plan • Basic IC Principles & Strategies • Basics of HH, PPE, & Isolation Precautions ... – Enhancing defence, e.g., vaccination . IC Precautions: Health Care vs Non-health Care Settings Issues that impact on type of precaution Better control through policies & structures
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