Global & Disaster Medicine

The number of reported cases of disease from mosquito, tick, and flea bites has more than tripled in the USA (2004-2016)

CDC

More cases in the US (2004-2016)

  • The number of reported cases of disease from mosquito, tick, and flea bites has more than tripled.
  • More than 640,000 cases of these diseases were reported from 2004 to 2016.
  • Disease cases from ticks have doubled.
  • Mosquito-borne disease epidemics happen more frequently.

More germs (2004-2016)

  • Chikungunya and Zika viruses caused outbreaks in the US for the first time.
  • Seven new tickborne germs can infect people in the US.

More people at risk

  • Commerce moves mosquitoes, ticks, and fleas around the world.
  • Infected travelers can introduce and spread germs across the world.
  • Mosquitoes and ticks move germs into new areas of the US, causing more people to be at risk.

The US is not fully prepared

  • Local and state health departments and vector control organizations face increasing demands to respond to these threats.
  • More than 80% of vector control organizations report needing improvement in 1 or more of 5 core competencies, such as testing for pesticide resistance.
  • More proven and publicly accepted mosquito and tick control methods are needed to prevent and control these diseases.

Vector-Borne Diseases Reported by States to CDC

Photo of mosquito

Mosquito-borne diseases

  • California serogroup viruses
  • Chikungunya virus
  • Dengue viruses
  • Eastern equine encephalitis virus
  • Malaria plasmodium
  • St. Louis encephalitis virus
  • West Nile virus
  • Yellow fever virus
  • Zika virus

 

Photo of Tick

Tickborne diseases

  • Anaplasmosis/ehrlichiosis
  • Babesiosis
  • Lyme disease
  • Powassan virus
  • Spotted fever rickettsiosis
  • Tularemia

 

Photo of Flea

Fleaborne disease

  • Plague

For more information: https://wwwn.cdc.gov/nndss/

Graphic: Disease cases from infected mosquitoes, ticks, and fleas have tripled in 13 years

Graphic: Disease cases from mosquitoes (2004-2016, reported)

Graphic: Disease cases from ticks (2004-2016, reported)


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