Out of the 195 countries in the world, only three are known to not have countered the poliovirus yet, and Pakistan is one of them. While it may sound mindboggling to find the world’s 23rd largest economy on this list, perhaps the ever-buzzing flies hovering over heaps and piles of garbage, food waste and human feces along the main roads, alleys and ravines of Pakistan’s largest metropolis, Karachi, may be potent enough to justify Pakistan’s inability to counter a virus that has been extinct around the rest of the world…