FACTBOX - Pneumonia, leading cause of child deaths

(Reuters) - Investing $39 billion in preventing and treating pneumonia, the disease that is the world's leading killer of young children, could save up to 5.3 million lives by 2015, the World Health Organisation (WHO) and the United Nations children's fund (UNICEF) said on Monday.

Here are some details about a global action plan its costs:

THE PLAN:

* WHO and UNICEF developed the Global Action Plan for the prevention and control of Pneumonia (GAPP). GAPP aims to increase awareness of pneumonia as a major cause of child death and spur action to deal more effectively with the problem.

WHAT IS PNEUMONIA?

* Pneumonia is an infection of the lungs that can be caused by bacteria, viruses and fungi. Its severity can be based on the type of organism causing it.

* Signs of pneumonia can include coughing, fever, fatigue, nausea, vomiting, rapid breathing or shortness of breath, chills, or chest pain.

* When bacteria, viruses or, rarely, fungi living in your nose, mouth, sinuses, or the environment spread to your lungs, you can develop pneumonia or other infections. You can catch the bacteria or viruses from people who are infected with them, whether they are sick or not.

THE TOLL: