Read the passage and answer the question: In 1992, the World Health Organization (WHO) reported that ten to twelve million adults and one million children worldwide had contracted HIV, the virus that causes AIDS and they estimated that by the twenty-first century, forty million people would be infected. If the current trends continue, however that estimate will fall short of actual numbers, which may reach one hundred ten million. Besides people with high-risk behaviour such as homosexuals, female sex workers, truck drivers and injecting drug users, HIV infection rates have begun to increase in the general population. In addition, there appears to be a change in the characteristics of AIDS victims. In the 1980s, homosexual men in large urban areas accounted for approximately two thirds of all AIDS cases. Women and children seemed to be on the periphery of the AIDS epidemic. But today almost ninety percent of new adult infections result from heterosexual contact. Consequently, the rates of exposure and infection are rising for women, with an accompanying rise in the number of children born to them with HIV. In the twenty-first century, it is expected that the majority of the AIDS victims will be heterosexual women and their young children. — Now, the people at risk for developing HIV include the ____