Question

select the correct answer.
chickenpox is a virus that was common in children, and there are still many cases of the virus each year. christopher caught chickenpox after spending time with another person that had the virus. the chickenpox represents what link in the chain of transmission in this scenario?

a. susceptible host

b. infectious agent

c. mode of transmission

d. portal of entry

e. reservoir

Explanation:

1. A susceptible host is the organism that can be infected (Christopher in this scenario).
2. An infectious agent is the pathogen that causes the disease, which is the chickenpox virus here.
3. Mode of transmission is how the pathogen spreads (direct contact in this case).
4. Portal of entry is the route the pathogen uses to enter the new host.
5. Reservoir is the place where the pathogen lives and multiplies (the infected person).

Answer:

B. infectious agent