Given Sam's compromised immune system, how would you apply the chain of infection to prevent him from contracting the seasonal flu or COVID-19?

The chain of infection is a standard model in epidemiology that describes how a disease spreads. It includes six links: the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. Here's how you can apply it to prevent Sam from contracting the season Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.