The coronavirus epidemic caused more death and disruption on Tuesday spreading to new countries as a top health official warned the world was “simply not ready” to contain it. Even as the number of fresh cases declines at the epicenter of the disease in China, there has been a sudden increase in parts of Asia, Europe, and the Middle East.
The World Health Organization warned Monday that polio has reemerged as a public health emergency, after new cases of the crippling disease began surfacing and spreading across borders from countries like Syria and Pakistan.