Infected bats may also cluster around the entrances with their hibernacula . Once a colony can be attacked by the condition of bats, it spreads quickly and typically wipes out 90 percent of these sharing a hibernation dwelling. The highly respected journal Science published a study in August of 2010 where researched predicted that WNS would result in regional extinction of some bat species within 2 decades. Since bats play a vital function in ecosystems, both as pollinators and through their consumption of insects bad for crops, this could have a devastating effect on the economy. The April 2011 problem of Science included articles reporting on another research looking at the economic impact of potential bat extinction.This content is republished with kind permission from our close friends at The Kaiser Family Foundation. You can view the entire Kaiser Daily Health Policy Report, search the archives, or join email delivery of in-depth coverage of health policy developments, discussions and debates. The Kaiser Daily Wellness Policy Report is published for Kaisernetwork.org, a free program of The Henry J. Kaiser Family Foundation. Copyright 2009 Advisory Board Business and Kaiser Family Foundation. All rights reserved.. Afghanistan, African countries lead global food insecurity list Afghanistan and nine African countries top a list measuring global food insecurity, on Thursday which was released, Agence France-Presse reviews. The risk analysis strong Maplecroft compiled the meals Security Risk Index 2010 predicated on a survey of 163 countries.N.