Why was this down voted? HIV was my first thought after reading the article. On ...

brimpa on Aug 14, 2011 | parent | context | favorite | on: MIT Scientists Develop a Drug to Fight Any Viral I...

Why was this down voted? HIV was my first thought after reading the article.

On another note, does anyone have info on the rate of death by virus world-wide? I'm only curious so we I compare to other major killers (cancer, heart disease, etc).