Bill Gates Quote
In the last 20 years, thanks to your hard work, polio has declined by 99 percent. In 1988, 350,000 people got polio. By 2008, the number was down to just a couple of thousand.
Regarding Bill And Melinda Gates' Polio Efforts (2009). "Bill Gates - Rotary International" Bill & Melinda Gates foundation (21 January 2009)