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How Global Warming Increases Infectious Diseases in Developed Countries

How Global Warming Increases Infectious Diseases in Developed Countries

Last Reviewed : 12/25/2020
How Global Warming Increases Infectious Diseases in Developed Countries

Do you know that global warming can increase infectious diseases in developed countries? Well, let’s find out how possible that is. Basically, climate change has many implications on human life. One of the important effects of climate change is global warming. Global warming, on the other hand, is nothing but a rise in the temperature of the surface of the earth. In the fourth report of the Intergovernmental Panel on Climate Change (IPCC), the evidence of the effect of global warming was discussed. The effects of global warming are discussed under two headings.

  1. Direct effects: Direct effects include illness like heat stroke. A short-term increase in mortality, especially among those with cardiovascular and/or respiratory diseases.
  2. Indirect Effects: Indirect effects include rise in infectious diseases and allergies. The indirect effects are due to the altered distribution of infectious disease-causing agents and vectors, the seasonal distribution of some allergenic pollen species, and increased heat wave-related deaths. Expansion of mosquito- and tick-infested areas, and increase in mosquito activity leading to increase in the number of patients with mosquito-borne infectious diseases (i.e. dengue and malaria) and expansion of epidemic areas. Contamination of water and foods with bacteria leading to increase in the number of patients with water- and food-borne infectious diseases.Deterioration of environmental and social conditions leading to increased risk of infectious diseases.

Changes that occur due to global warming

Gradual change in the climate results in change in rainfall and extreme events. Other noticeable changes include an increase in storms and floods. This will further lead to contamination of food and water by bacteria. Additionally, there will be an altered activity of the vectors which will cause increased number of water- and food-borne diarrheal diseases and increase in the expansion of mosquito-borne illness. Other factors like socioeconomic conditions, poor living conditions of the population, increased air or international travel, air pollution, increased immune-deficient population will add to the indirect effects of global warming.

References

1. Ichiro Kurane. The Effect of Global Warming on Infectious Diseases, Osong Public Health and Research Perspectives,Volume 1, Issue 1, 2010, Pages 4-9, ISSN 2210-9099, https://doi.org/10.1016/j.phrp.2010.12.004

2. https://www.sciencedirect.com/science/article/pii/S2210909910000056

 

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