Question

A 5-year-old girl catches the flu from a friend at day care after the friend sneezed and wiped mucus on a toy that the girl played then with. In this case, what is the portal of exit in the chain of infection?

Answer 1

Answer is upper respiratory infection.

Step-by-step explanation:

The route or passage through which an organism leaves the body of an infected person to spread to others is known as the portal of exit.

Some of the portal of exit for organism include the upper respiratory excretions, blood, lesions secretions, urine, saliva among others.

In the case of this 5-year -old girl, her friend is a kind of a place where the organism reproduce and grow, while the toy is the mode or means of transmission, and the girl is the susceptible host.