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Aedes aegypti and Aedes albopictus mosquitoes are the primary vectors for dengue, chikungunya, yellow fever, and Zika viruses. Taken together, these viruses account for almost 100 million cases of mosquito-borne disease per year. Globally, dengue is the most important mosquito-borne viral disease. In the last 50 years, incidence has increased 30-fold by expanding into new countries and new areas. Chikungunya often occurs in large outbreaks with high infection rates, affecting more than a third of the population in areas where the virus is circulating. In 2014, more than a million cases were reported worldwide. While Chikungunya disease rarely results in death, the symptoms can be severe and disabling.

Outbreaks of mosquito-borne diseases depend on many factors and are especially difficult to predict, prevent and control. Because there are no licensed vaccines available to prevent dengue or chikungunya, controlling mosquito populations and reducing bites are currently the most effective prevention measures.

This session of Grand Rounds highlights the importance of preventing Aedes mosquito-borne diseases and the need for improved diagnostic, prevention and control measures.

Beyond the Data — Rasmussen (2016)

In this session of Beyond the Data, Dr. Phoebe Thorpe and Dr. Sonja Rasmussen discuss Zika virus and the link to birth defects. Tune in to hear how pregnant women and health care providers can work together for prevention.

Beyond the Data — Rosenberg (2016)

In this session of Beyond the Data, Dr. Phoebe Thorpe and Dr. Ronald Rosenberg discuss Zika virus and the mosquitoes that transmit it. Tune in to hear what steps you can take to protect yourself and your family.

Beyond the Data (2015)

Dr. Phoebe Thorpe and Dr. Marc Fischer discuss the diseases transmitted by Aedes aegypti mosquitos and some practical ways individuals can protect themselves.

Individuals should limit exposure to mosquitos by

  • Using repellants when outdoors
  • Emptying standing water sources around their homes
  • Wearing long pants and long-sleeves and
  • Ensuring that window and door screens are intact

Providers should

  • Take advantage of CDC’s clinical case management training
  • Be aware of signs and symptoms of mosquito-borne diseases

Presented By

Marc Fischer, MD, MPH
Chief, Surveillance and Epidemiology Activity, Arboviral Diseases Branch,
Division of Vector-Borne Diseases

National Center for Emerging and Zoonotic Infectious Diseases, CDC
Thomas W. Scott, PhD
Professor and Director, Vector-Borne Disease Laboratory,
Department of Entomology and Nematology

University of California at Davis
Harold Margolis, MD
Branch Chief, Dengue Branch, Division of Vector-Borne Diseases
National Center for Emerging and Zoonotic Infectious Diseases, CDC

Facilitated By

John Iskander, MD, MPH
Scientific Director
Phoebe Thorpe, MD, MPH
Deputy Scientific Director
Susan Laird, MSN, RN
Communications Director

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Continuing Education

This session is available for Continuing Education (CE). Register here using the course information below.

CDC Course Code: PHGR10
CPE UAN (enduring): 0387-0000-16-105-H04-P

For more information, see Grand Rounds Continuing Education.

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  • Page last reviewed: February 28, 2018
  • Page last updated: February 28, 2018
  • Content source:
    • Office of the Associate Director for Science
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