Climate Change’s Bite: Why Insect-Borne Diseases Are Spreading

Climate Change’s Bite: Why Insect-Borne Diseases Are Spreading
Homeowner Sohail Soomro dumps debris on his front yard in the aftermath of Hurricane Harvey, Katy, Texas, Sept. 7, 2017 (AP photo by Matt Rourke).

Devastating hurricanes and fires in the United States and the Caribbean since August have demonstrated yet again that extreme weather exacerbated by climate change has created new risks. The suffering and damage caused by this extreme weather has, in turn, created additional new dangers to public health.

One of the more worrisome is the spread of disease, especially “vector-borne” diseases. These are diseases transmitted to humans through insect bites, most commonly by mosquitoes, ticks and flies. They include Zika, Lyme, Chikungunya and malaria. In 2015, malaria alone infected over 200 million people and caused about 438,000 deaths worldwide.

According to the World Health Organization, the three key components that determine the prevalence of vector-borne diseases are the number and concentration of animals that host insects, the prevalence of disease-causing parasites and pathogens, and human behavior.

Keep reading for free!

Get instant access to the rest of this article by submitting your email address below. You'll also get access to three articles of your choice each month and our free newsletter:

Or, Subscribe now to get full access.

Already a subscriber? Log in here .

What you’ll get with an All-Access subscription to World Politics Review:

A WPR subscription is like no other resource — it’s like having a personal curator and expert analyst of global affairs news. Subscribe now, and you’ll get:

  • Immediate and instant access to the full searchable library of tens of thousands of articles.
  • Daily articles with original analysis, written by leading topic experts, delivered to you every weekday.
  • Regular in-depth articles with deep dives into important issues and countries.
  • The Daily Review email, with our take on the day’s most important news, the latest WPR analysis, what’s on our radar, and more.
  • The Weekly Review email, with quick summaries of the week’s most important coverage, and what’s to come.
  • Completely ad-free reading.

And all of this is available to you when you subscribe today.