…Medecins Sans Frontieres…launched a campaign calling on drugmakers…GlaxoSmithKline, Johnson & Johnson, Gilead Sciences, Pfizer, Merck, Abbott, Bristol-Myers Squibb, Sequoia Pharma, and Boehringer-Ingelheim to join the patent pool of UNITAID…to create a mechanism whereby patents held by these companies could be pooled and made available to others for production, thus speeding up delivery of generic drugs for treatment of HIV/AIDS…But now…several drugmakers are opposing the inclusion of middle income countries…and want access to the pool limited…Says Leena Menghaney...MSF's campaign for access to essential medicines, "If middle income countries are excluded, then the basic principle of the pool would stand defeated"...