A look at how climate change is affecting infectious diseases.

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Presentation transcript:

A look at how climate change is affecting infectious diseases. www.windows2universe.org A Windows to the Universe presentation to accompany the Infectious Diseases activity

Changing Planet: Infectious Diseases NBC Learn Video – Infectious Diseases www.windows2universe.org

Vector-borne diseases Population at risk Number of people infected Present distribution Likelihood of altered distribution Malaria Mosquito 2.4 billion 300-500 million Tropics and subtropics High Schistosomiasis Water snail 600 million 200 million Medium African sleeping sickness Tsetse fly 55 million 300,000 Tropical Africa Dengue 1.8 billion 30 million Tropics Yellow Fever 450 million >5,000 Low Vectors are animals that spread human diseases www.windows2universe.org

Malaria Malaria affects millions of people worldwide every year. Malaria is spread by mosquitoes, and is a problem in warm, wet climates where the mosquitoes flourish www.windows2universe.org

Cholera www.windows2universe.org Cholera is a disease caused by a bacterium that spreads through contaminated drinking water When poor living conditions or disaster force people to drink contaminated water, cholera can quickly become epidemic www.windows2universe.org

Dengue Dengue (also known as breakbone fever) is a viral disease spread by mosquitoes Like malaria, it is spreading because many environments are getting warmer and wetter and allowing mosquito populations to increase www.windows2universe.org

Dengue is projected to spread with global warming www.windows2universe.org

Schistosomiasis Schistosomiasis is a disease spread by parasitic worms. It is spread by snails, and is a problem in wet tropical climates where the snails are abundant and water is often contaminated with human waste. www.windows2universe.org

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