Part 112 (2/2)

434 over the last century have come from improvements in sanitation

Robert Kunzig, ”7 Billion: How Your World Will Change,” National Geographic, November 1, 2011.

435 about one extra year per decade

Curtsinger, ”Genes, Aging, and Prospects for Extended Life Span.”

436 Much of this work is now focused on malaria, tuberculosis

United Nations, Millennium Development Goals Report 2011.

437 HIV/AIDS, influenza

George Verikios et al., ”The Global Economic Effects of Pandemic Influenza,” paper prepared for the 14th Annual Conference on Global Economic a.n.a.lysis, Venice, June 1618, 2011, /prevent-hiv.htm.

442 the distribution of condoms in high-risk areas

United Nations Population Fund, Preventing HIV/AIDS, ”Comprehensive Condom Programming: A Strategic Response to HIV and AIDS,” /hiv/programming.htm.

443 and accelerated efforts to develop a vaccine

Beasley and Miles, ”AIDS Deaths Worldwide Dropping as Access to Drugs Improves.”

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