Dr. John Spencer showed first symptoms on Thursday , an official says . Spencer , 33 , was working in Guinea , helping treat Ebola patients . On Facebook , Spencer asked people to support organizations fighting terrorism . He was taken to the hospital after developing a fever , the official says .
Dr. Craig Spencer showed first symptoms on Thursday , an official says . Spencer , 33 , was working in Guinea , helping treat Ebola patients . On Facebook , Spencer asked people to support organizations fighting Ebola . He was taken to the hospital after developing a fever , the official says .