A Risky InheritanceThe Plague May Have Shaped Our Present Immunity Genetic variations that helped resist the plague might be increasing people's susceptibility to autoimmune diseases today. By Ananya Singh
"Graveyard of Viruses"Mammals Inherit Viral Fragments From Ancestors That Protect Them From Infections: Study This DNA uses the viruses to its own benefit and immunizes mammals against other viruses in plants and invertebrates. By Devrupa Rakshit