47 cases of dengue reported in Réunion

This year, unlike the previous four years, Réunion has not experienced an epidemic wave with many outbreaks settled in the territory. However, the circulation of the disease was maintained throughout the year, which confirms the lasting installation of the disease on the island and its risk of resurgence.

With the arrival of the school holidays, travelers to areas where mosquito-borne diseases are circulating are advised to protect themselves from bites during their trip and for the week following their return to avoid the introduction of new viruses or serotypes.

Finally, before the start of the southern winter, Reunionese are encouraged to maintain actions to protect themselves from dengue vector mosquitoes: remove everything from the house that may contain water, use repellents, mosquito nets… and consult a doctor immediately at the first symptoms.

Dengue situation as of June 22, 2022
From January 1, 2022

– 1470 confirmed cases
– 64 hospitalization
– 158 emergency room visits

During the period in question, dengue cases were found in 13 municipalities:

  • South (63.8% of cases): Saint-Pierre, Saint-Joseph, Petite-Île, Le Tampon, Saint-Louis, Étang-Salé
  • West (21.3% of cases): Saint-Paul, Saint-Leu, La Possession
  • North (10.6% of cases): Saint-Denis, Sainte-Marie
  • East (4.3% of cases): Bras-Panon, Saint-André

In addition, clusters of cases have been identified in the following districts:

  • Saint-Pierre: Basse Terre the lowlands
  • Small island: Chemin Neuf

Since 2021, only dengue serotype 1 circulates on the island.

Réunionese are encouraged to maintain preventive measures: remove everything that may contain water from the house, protect themselves from mosquitoes (repellents, mosquito nets) and consult a doctor immediately at the first symptoms.

Recommendations to protect yourself from mosquito bites and dengue

The health authorities recommend the population:
– Protect yourself against mosquito bites, even for 7 days after symptoms start to protect those around you > see the section Recommendations against Dengue. He continues to protect himself, even if he has already been sick with dengue before; Several serotypes of dengue can circulate, and infection with one serotype does not protect against attack by another serotype.

– Eliminate and empty standing water that may contain mosquito breeding sites: everything that may contain water throughout the house, check the gutters, etc.

– Consult a doctor in case of symptoms: fever, headache, muscle/joint pain, nausea, vomiting, etc. and take the sample in the medical analysis laboratory prescribed by your doctor to confirm the diagnosis of dengue.

If you are sick with dengue:

Continue to protect yourself against mosquito bites to avoid transmitting the disease to those around you and monitor your health status, especially between the 4th and 8th day of illness,

consult your doctor or an emergency service if your condition worsens.

Protect yourself from mosquitoes with repellents and mosquito nets
– The use of repellents is one of the safest measures to combat the spread of dengue.

The use of mosquito nets for bed or crib/stroller constitutes an effective barrier to protect against mosquito bites, vectors of dengue. It is especially recommended for people forced to stay in bed during the day and newborns. Mosquito nets can also be placed on windows and doors for better protection inside homes.
– The use of mosquito nets for beds, cots or strollers constitutes an effective barrier to protect against mosquito bites.
It is especially recommended for people forced to stay in bed during the day and newborns. Mosquito nets can also be placed on windows and doors for better protection inside homes.

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