Respuesta :
It can build immunity is the correct option. Thus option A is correct.
What is immunity?
Immunity is the ability of an individual to detect and discriminate between "self" molecules found in one's own body and "nonself" molecules found in pathogenic microbes and poisons. There is a significant genetic component to this process.
Even if some STIs can be recognized and treated, reinfection is still a possibility. Failure to finish treatment, having a partner who is not treated, and not practicing safe intimate are all typical ways for people to re-infect.
Learn more about STIs here:
https://brainly.com/question/11715977
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