While China appears on the verge of stopping its outbreak — it reported only 24 cases on Tuesday — outbreaks are occurring and growing in a number of locations around the world including Italy, Iran and the United States.
South Korea, which has reported nearly 8,000 cases, also appears poised to bring its outbreak under control with aggressive measures and widespread testing. But other countries have struggled to follow the leads of China and South Korea — a reality that has frustrated WHO officials who have exhorted the world to do everything possible to end transmission of the virus.