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:

• The chain of transmission has several links.
• The infectious agent is the pathogen (in this case, the chickenpox virus) that causes the disease.
• A susceptible host (like Christopher) is the person who can get the disease.
• Mode of transmission is how the agent spreads (e.g., contact).
• Portal of entry is how the agent enters the host.
• Reservoir is where the agent lives and multiplies (not the virus itself).

Answer:

B. infectious agent