Polio-like disease appears in California children

In this photo taken with a mobile phone, Jeff Jarvis of Berkeley, Calif., holds his 4-year-old daughter, Sofia Jarvis, during a news conference at Lucille Packard Children's Hospital at Stanford University on Monday, Feb. 24, 2014, in Palo Alto, Calif. Sofia is one of a handful of California children who has been diagnosed with a rare polio-like syndrome that has left her arm paralyzed. Stanford researchers say there is a possibility of an emerging infectious polio-like syndrome in California. (AP Photo/Martha Mendoza)STANFORD, Calif. (AP) — An extremely rare, polio-like disease has appeared in more than a dozen California children within the past year, and each of them suffered paralysis to one or more arms or legs, Stanford University researchers say. But public health officials haven't identified any common causes connecting the cases.