Yes and I believe it’s called Mismates? (That is what I’ve always heard it called) and yes hereditary factors are often the cause of this.
Your friends, younger siblings, a partner, yourself.
Its too expensive or they feel they don't need it because they don't get sick or hurt or don't go to the doctor
Zidovudine the first antiretroviral drug, became availabale to treat HIV on febuary 4 i dont rember what year, hope that helps you out
