Tapeworms of the Taenia and Echinococcus species can also be contracted by humans via accidental ingestion of cat feces containing infectious tapeworm eggs. The only form of Echinococcus transmissable by cats is that causing alveolar echinococcus.
Anyone can contract HIV, and while IDUs are at great risk because of practices related to their drug use, anyone who engages in unsafe sex (e.g., unprotected sex with an infected partner) could be exposed to HIV infection.frican-Americans account for a higher proportion of HIV infections than any other population at all stages of the disease from initial infection to death (see text box). Moreover, specific minority subgroups are at particular risk.
The current situation Burden of HIV infection The World Health Organization (WHO) estimated that, at the end of1997, 30.6 million people worldwide were living with HTV/AIDS, ofwhom over 90% were in developing countries, two-thirds in sub-Saharan Africa 2.IV/AIDS in developing countriesTable 2 Prevalence of opportunistic diseases identified at autopsy of HlV-infected adults indifferent developing countries RegionCountryReference No.PopulationNo.