Parasites and Viruses: Pathogens That Join Forces to Disrupt the Body’s Immune Balance

Want to share this article? Visit our re-post guidelines. Article summary: There are primarily two categories of immune system function, mediated by Th1 or Th2-type immunity. The most favorable scenario is a well-balanced Th1 and Th2 response, suited to any immune challenge. The Th1 and Th2 balance comes under fire when parasites and viruses join…

Retroviruses: Dangerous Pathogens in Our DNA

Want to share this article? Visit our re-post guidelines. Article Summary: Retroviruses are responsible for many deadly diseases including cancer, leukemia, and AIDS. Retroviruses, unlike typical viruses, are RNA viruses. An enzyme in retroviruses transcribes their RNA into a DNA molecule that can integrate with a host’s DNA. Once in a host cell, a retrovirus…