Other experts project higher or lower levels of infection, and some have speculated that the virus is already spreading rapidly into the heterosexual population.

For some writers, marriage is an institution that has not served the heterosexual population very well.

The virus is also spread into the heterosexual population by bisexual men.

And experts have warned that it is the most serious threat to the heterosexual population.

But nearly all agree that any invasion of the heterosexual population will be relatively slow.

Is the disease going to sweep into the heterosexual population, like Africa?

But it seems to be much less efficient in the rest of the heterosexual population, he added.

Last month he conceded that "we do not expect any explosion into the heterosexual population."

Across the country, 4 percent of the infected heterosexual population are people with no risk factors other than heterosexual contacts.

This kind of relationships then permeated the heterosexual population.