Answer:
It should be D
Explanation: Hope this helps
Hello There!
Before viruses can reproduce, they must infect a host cell.
Viruses need a way to enter the body before they can infect a host cell.
I think the answer is naturally acquired active immunity..also depends on which disease
The answer is B because it makes the most logical sense and the rest of the answered are obviously incorrect, it’s screaming “I’m wrong!!!”
