The chickenpox represents the infectious agent in the chain of transmission in this scenario. The correct option is B (infectious agent).
In the spread of disease causing pathogens from one person or animal to another, it follows a particular pattern known as chains of transmission.
A chain of transmission is defined as the interaction that must occur between an infectious agent, a host, and their environment before an infection will take place.
Infectious agents are pathogens that are able to cause disease. They include bacteria, fungi, viruses, and parasites.
Chickenpox is a virus that was common in children and it can be transferred from one person to another after a direct close contact with an infected individual.
Therefore in this scenario of chain of transmission, chicken pox is the infectious agent.
Learn more here:
https://brainly.com/question/20920647
Answer:
The answer would be B. infectious agent
Explanation:
Option A Which is susceptible host would make sense because the host would be the other person and Christopher
Option C Which is the mode of transmission is indirect contact (through molecules in the air) which is not right.
Option D Which is the portal of entry is the place the virus affected him which it doesn't tell us, nor is it important to the answer
Option E Which is the reservoir which would be the human lungs would not make sense either
THEREFORE the only option left is Option B infectious agent which would make the most sense.
