The technology is helping public health services collect information to follow the spread of diseases and to better organize their work.

VOA: special.2010.05.03

One is the long-distance transport of bees for pollination and the spread of bee diseases from one area to another.

VOA: special.2011.05.24

But experts say non-communicable diseases -- those that do not spread from person to person -- are the leading killer today.

VOA: special.2011.05.11

Kim Bertrand at the Harvard School of Public Health is an epidemiologist -- someone who studies the spread and control of diseases.

VOA: special.2011.04.28

People around the world can prevent diseases spread by mosquitoes by removing standing water from their property.

VOA: special.2009.04.13

The message also included links to information about diseases spread by sexual activity.

VOA: special.2009.02.03