1. Infectious Agent e.g; Bacteria, virus
2. Reservoir eg; Human, Animal
3. Portal of Exit e.g; Blood, saliva
4. Mode of Transmission e.g; Airborne transmission, Droplet transmission
5. Portal of Entry e.g; Normal body opening (nostrils, mouth), Abnormal opening (cuts, insect bites)
6. Susceptible Host e.g; HIV, Leukemia
B) Nursing Interventions to Break The Chain Of infection:
 |
| Breaking The Chain of Infection |
1. Between Infectious Agent & Reservoir:
- Cleaning
- Disinfection
- Sterilization
- Use proper hygiene
- Change dressings
- Clean linens
- Clean equipments
3. Between Portal of Exit & Mode of Transmission:
- Clean dressing over wounds
- Cover mouth and nose when coughing or sneezing
4. Between Mode of Transmission & Portal of Entry:
- Apply hand hygiene
- Proper disposal of contaminated objects
- Apply medical and surgical asepsis
- Wear gloves, masks, gowns, and goggles (PPE)
5. Between Portal of Entry & Susceptible Host:
- Proper disposal of needles or sharps
- Apply sterile technique
6. Between Susceptible Host & Infectious Agent:
- Eat proper nutrition
- Do daily exercise
- Keep body Immunize (through immunization)
