The virus can be transmitted by unsafe sex and unsterile needles, but most people who suffer from the disease become infected at birth from their mothers.

VOA: standard.2010.07.26

It seemed to me also that every living African, whether in good or ill health, is prey to many enemies of health that would interact one upon the other in many ways within one human body, Critics feared if President Mbeki appeared to doubt the link between HIV and the disease, people would not practice safe sex and use condoms.

VOA: standard.2010.05.17

The scientific evidence for treating sex addiction as a disease is thin.

FORBES: What I Wrote In 2010

The reason, according to those ponderers, is that the genetic diversity promoted by sex is a protection against disease.

ECONOMIST: Asexual reproduction

The findings raise concerns that many people may be spreading the disease unintentionally, through unprotected sex or shared needles.

BBC: US HIV cases 'on the rise'