Explainer: Why has polio been found in London, New York and Jerusalem, and how dangerous is it?
LONDON, Aug 15 (Reuters) – Polio, a deadly disease that used to paralyze tens of thousands of children every year, is spreading in London, New York and Jerusalem for the first time in decades, spurring catch-up vaccination campaigns. read more DREADED DISEASE Polio terrified parents around the world for the first half of the 20th … Read more