Chapter 25, Problem 4TMW

Summary Introduction

To determine:

The reason for appearance of emerging diseases such as, Ebola haemorrhagic fever, in developing countries, more often than in industrialized countries.

Concept introduction:

Emerging diseases are infections that were previously unidentified and have only recently appeared in a population. This type of diseases poses a threat of increasing in the future. They can be caused by previously unidentified or absolutely unknown pathogens, or even known pathogens that have migrated to new margin of population.