Study of use improved drinking water sources in countries of the six regions of the World Health Organization

The safety and accessibility of drinking-water are major concerns throughout the world. Health risks may arise from consumption of water contaminated with infectious agents, toxic chemicals, and radiological hazards. Improving access to safe drinking-water can result in tangible improvements to health. 147 of 194 countries target for drinking water, yet 663 million people still lacked improved sources of drinking-water in 2015. Due to the importance of accessibility of drinking-water, we study of use improved drinking water sources in countries of the six regions of the World Health Organization. In this epidemiologic study, the raw information from WHO's website in 2016 about the percentage of accessibility of drinking-water, have been investigated and evaluated. The lowest percentage in the West Pacific region (40%), highest rate in Europe region (100%). The lowest percentage in 2000 was 30.3% related to the East Mediterranean region. Iran has also improved 2 percent compared to 2000, the percentage is 96.2. Considering the importance of universal access to drinking water in order to reduce the burden of disease, require long-term planning to improve drinking water all regions of the world

Keywords:

Improved drinking water , World Health Organization , Region