University:
The University Of Western Ontario
Course:
MICROBIO 3500B | Microbiology and Immunology
Academic year:

2023
Views:

232

Pages:

2
Author:

Kyuwon J.

Transmission in Epidemic ● Susceptible ○ Individuals who can get infected ○ Has potential to tun Clinical ● Immune ○ Individuals who does not and will not get infected ● Subclinical ○ Infected individuals without noticeable symptom ○ Can transmit the disease ● Clinical ○ Symptoms able to transmit to other ○ Infected ● Will spread exponentially without any resistance ● Primary (P) ○ First known/identified case ● Secondary (S) ○ Infected form the Primary ● Tertiary (T) ○ Infected by secondary Herd immunity ● Primary ○ One clinical infectious individuals ● Grey ○ Immune individuals ○ Is not susceptible to his disease ● White ○ Susceptible individuals ○ Can be infected With high proportion being immuned, forms a barrier around susceptible Disease cannot spread