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People who have chronic HDB will continue to get HDV. [40] Another disease that affects South America is HIV and AIDS. In 2008 roughly two million people had HIV and AIDS. By the end of 2008 one hundred and seventy thousand people were infected with AIDS and HIV. Seventy seven thousand people died from this disease by the end of that year.
Waterborne diseases are conditions (meaning adverse effects on human health, such as death, disability, illness or disorders) [1]: 47 caused by pathogenic micro-organisms that are transmitted by water. These diseases can be spread while bathing, washing, drinking water, or by eating food exposed to contaminated water. [2]
Poverty is one of the major social determinants of health. The World Health Report (2002) states that diseases of poverty account for 45% of the disease burden in the countries with high poverty rate which are preventable or treatable with existing interventions. [2] Diseases of poverty are often co-morbid and ubiquitous with malnutrition. [3]
Sewage contaminated water contains many viruses, over one hundred species are reported and can lead to diseases that affect human beings. For example, hepatitis, gastroenteritis, meningitis, fever, rash, and conjunctivitis can all be spread through contaminated water. More viruses are being discovered in water because of new detection and ...
Although health research is often organized by disease categories or organ systems, theoretical development in social epidemiology is typically organized around factors that influence health (i.e., health determinants rather than health outcomes). Many social factors are thought to be relevant for a wide range of health domains.
Throughout history, people have devised systems to make getting water into their communities and households and disposing of (and later also treating) wastewater more convenient. [1] The historical focus of sewage treatment was on the conveyance of raw sewage to a natural body of water, e.g. a river or ocean, where it would be diluted and ...
Social epidemiology focuses on the patterns in morbidity and mortality rates that emerge as a result of social characteristics. While an individual's lifestyle choices or family history may place him or her at an increased risk for developing certain illnesses, there are social inequalities in health that cannot be explained by individual factors. [1]
The UN further emphasizes that "about 1.5 million children under the age of five die each year and 443 million school days are lost because of water- and sanitation-related diseases." [17] In 2022, over 2 billion people, 25% of the world's population, lacked consistent access to clean drinking water.