KPIX CBS Evening News With Scott Pelley August 23, 2012 00:35:00
All. >> reporter: about 1 in 150 patients infected with the west nile virus become seriously ill. of those, about 60% have long- term effects including fatigue, blurred vision, trouble thinking, kidney disease and paralysis. the current outbreak is likely occurring because of a combination of a mild winter followed by a soggy spring. perfect conditions for breeding mosquitoes. >> 80% of our cases occur between august and september so we're just still kind of at that beginning of understanding how this is going to end up playing out. >> reporter: john shaw has built a new life for himself and n...