Over 20,000 participants have registered for the Standard Chartered Nairobi Marathon set for October 30. Roads used for the marathon will be closed and traffic in the area will be heavy.

The CDC has introduced a new color-coding system for Florida’s Miami-Dade County to distinguish between areas of active zika transmission that present a significant risk of transmission and areas where there is a possible risk of being infected.

Typhoon Haima is expected to veer northward and make a second landfall between Hong Kong and the city of Shantou late Oct. 21 as a typhoon or powerful tropical storm, though the storm’s intensity and track could change. Strong storm surge, powerful winds, heavy rain, and travel disruptions should be …