Dengue fever and climate change

Last Modified: Mon Jan 18 2016 22:34:16 GMT+0530 (India Standard Time)
  • 4 billion
    global population at risk today, more than half the world's seven billion people.
  • 390 million
    number infected. Unlike the mainly nocturnal species that spread malaria, the mosquito that carries the dengue virus bites mostly during the day, increasing risk.
  • 500,000
    or so severe cases a year.
  • 12,000
    die each year.
  • 10x
    times, the 5-year average today than it was 40 years ago, making dengue fever the fastest growing vector-borne disease.
  • 128
    countries in which dengue has been reported in recent years, before 1970 it was reported in only 9 countries. Rapid urbanization and warming temperatures are expanding its range.