Answer:
You should consider if the fully cover your eyes, thickness, clearness, if they fog easily or not, grip so they won't slip off.
It would be true for most hiv if the person lacks ccr5 on the cells surface. but people with two copies of the ccr5-delta32 gene are basically immune to hiv infection.
Answer:
15-20%
Explanation:
Any more can be dangerous for the animal.
