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.
1 In 9 countries, 10% or more of adults are estimated to be HIV-positive. 2  South Africa has the highest number of people living with HIV in the world (6.8 million). 3  Swaziland has the highest prevalence rate in the world (27.7%). About 2.0 million people are estimated to be living with HIV in Latin America and the Caribbean combined, including 100,000 newly infected in 2014. 2  The Caribbean itself, with an adult HIV prevalence rate of 1.1%, is the second hardest hit region in the world after sub-Saharan Africa.