We used to work together <a href=" http://www.academicpresseurope.nl/?birth-control-essay-introduction#somewhat ">why college is important to me essay</a> There have been 296 cases of polio caused by the "wild type" virus so far this year, compared to 171 cases during the same period last year, according to the Global Polio Eradication Initiative, a public-private partnership spearheaded by the World Health Organisation (WHO). However, only 99 of this year's cases have been in polio-endemic countries, compared to 166 last year.