Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
gohat
on May 19, 2011
|
parent
|
context
|
favorite
| on:
San Francisco man becomes first in history to be ‘...
No, there are many, many strains of HIV virus. One person's infection evolves into a wide variety of strains during an infection due to immune system pressure.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
