Complex sentence: In March 2014, the World Health Organization (WHO) reported a major Ebola outbreak in Guinea, a western African nation; it is the largest ever documented, and the first recorded in the region.
Split into simpler sentences: In March 2014, the World Health Organization (WHO) reported a major Ebola outbreak in Guinea, a western African nation. It is the largest Ebola outbreak ever documented, and the first recorded in the region.