Measles

1. CHAIN OF CAUSATION

2. RESERVOIR

3. PORTAL OF EXIT

4. MODE OF TRANSMISSION

5. AIRBORNE/DROPLETS

6. HUMANS

7. SNEEZING AND COUGHING

8. AGENT

9. PORTAL OF ENTRY

10. HOST

11. HUMANS

12. NOSE/LOWER RESPIRATORY TRACT

13. MORBILLIVIRUS(PARAMYXOVIRUS FAMILY)