Complex sentence: Polio was, however, a world-wide epidemic and, in the Australian bush, far from any communication with medical doctors and medical organizations, a bush nurse named Elizabeth Kenney was faced with the epidemic, as well.
Split into simpler sentences: Polio was, however, a world-wide epidemic. In the Australian bush, far from any communication with medical doctors and medical organizations, a bush nurse named Elizabeth Kenney was faced with the epidemic, as well.