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Aedes Aegypti mosquitoPlease be advised that the Pan American Health Organisation (PAHO) has issued an alert for its members regarding the mosquito-borne Zika virus – currently the public health authorities in Brazil are investigating a possible transmission of the virus in the northeast of the country.

This virus is transmitted by the same Aedes Aegypti mosquito that is also the insect vector for Dengue and Chikungunya and the symptoms are also very similar to them (however the infection itself may also present itself as asymptomatic).

Symptoms (appear acutely and last from 4-7 days):

  • Fever
  • Non-purulent conjunctivitis (inflammation of the outermost layer of the eye and inner surface of the eyelids with no pus production)
  • Headache
  • Muscle and joint pain
  • Weakness
  • Maculopapular rash (red rash consisting of small bumps)
  • Edema in the lower limbs (swelling)
  • Eyeball pain
  • Anorexia
  • Vomiting
  • Diarrhea or abdominal pain

Complications are rare.

Prevention and control is fundamental in order to prevent transmission of the virus. Some suggestions are as follows:

  1. Environmental management – elimination of mosquito breeding sites in household and common areas, including mass sanitation procedures.
  2. Breeding Site Control – application of physical, biological and chemical methods.
  3. Personal prevention for infected persons – patients should use mosquito bed nets which can also be treated with insecticide; patients should wear clothing that does not expose the skin; use of mosquito repellants; use of wire mesh screens for windows and doors.

We implore that you take the necessary proactive measures to eliminate any mosquito breeding sites in your immediate areas.

Download bulletin from PAHO has additional information.

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CMLF News Issue #7
27th January 2016