Why is it important for us to study parasites-host relationships?

its important because we need to study how viruses affect humans and animals in order to find cures and solutions to the problems caused by said sickness.

-ari.

These interactions may be synergistic or antagonistic and thus produce diverse effects in infected humans and animals. Interactions among parasites strongly influence parasite dynamics and therefore play a major role in structuring parasite populations (both within and among hosts) as well as host populations.