Anatomy of the epidemic

Anatomy of the epidemic

Global summary

By the end of 1998, according to new estimates from the Joint United Nations Programme on HIV/AIDS (UNAIDS) and the World Health Organization (WHO), the number of people living with HIV (the virus that causes AIDS) will have grown to 33.4 million, 10% more than just one year ago. The epidemic has not been overcome anywhere. Virtually every country in the world has seen new infections in 1998 and the epidemic is frankly out of control in many places.

More than 95% of all HIV-infected people now live in the developing world, which has likewise experienced 95% of all deaths to date from AIDS, largely among young adults who would normally be in their peak productive and reproductive years. The multiple repercussions of these deaths are reaching crisis level in some parts of the world. Whether measured against the yardstick of deteriorating child survival, crumbling life expectancy, overburdened health care systems, increasing orphanhood, or bottom-line losses to business, AIDS has never posed a bigger threat to development.

According to new UNAIDS/WHO estimates, 11 men, women and children around the world were infected per minute during 1998–close to 6 million people in all. One-tenth of newly-infected people were under age 15, which brings the number of children now alive with HIV to 1.2 million. Most of them are thought to have acquired their infection from their mother before or at birth, or through breastfeeding.

While mother-to-child transmission can be reduced by providing pregnant HIV-positive women with antiretroviral drugs and alternatives to breastmilk, the ultimate aim must be effective prevention for young women so that they can avoid becoming infected in the first place. Unfortunately, when it comes to HIV infection, women appear to be heading for an unwelcome equality with men. While they accounted for 41% of infected adults worldwide in 1997, women now represent 43% of all people over 15 living with HIV and AIDS. There are no indications that this equalizing trend will reverse.

Altogether, since the start of the epidemic around two decades ago, HIV has infected more than 47 million people. And though it is a slow-acting virus that can take a decade or more to cause severe illness and death, HIV has already cost the lives of nearly 14 million adults and children.

An estimated 2.5 million of these deaths occurred during 1998, more than ever before in a single year.

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