With 578 new cases in one week, the dengue epidemic continues to decline

From June 28 to July 4, 578 cases of dengue were confirmed in Reunion. More than 60% of cases over the past week were concentrated in Saint-Paul, Saint-Denis and Saint-Pierre.

The Prefecture of Reunion and the Regional Health Agency announced 578 new cases of dengue fever from June 28 to July 4 in the department. They remind Réunion residents of the need to maintain daily vigilance despite the winter temperatures, by using means of protection (mosquito repellents, mosquito nets, long clothing, etc.) and by calling their doctor or emergency department if their health deteriorates. .

Since January 1, 28,211 cases have been confirmed on the island, as well as 15 deaths directly linked to dengue fever. 731 people were hospitalized and 3,832 emergency room visits were recorded.

23 of 24 municipalities are still involved

Dengue fever is still prevalent in 23 of the island’s 24 municipalities. Only Entre-Deux has not reported a case in the past two weeks. The decrease in the number of cases concerns all municipalities.

In the west, cases are located in Saint-Paul (40%), then La Possession, St-Leu and Le Port. In the south, Saint-Pierre is mainly concerned, Saint-Denis in the north and Saint-Andre in the east.

Where are the main foci of dengue fever?

Western Region:

  • The port (ZUP 1, Rivière des Galets)
  • La Possession (Rivière des Galets, Moulin Joli, Sainte-Thérèse, Cap Noir, Vingt-eight)
  • Saint-Paul (Hangar, Bois de Nèfles, Les Canots Hameau de Corbara, La Saline, La Saline les bains, Bruniquel, Trou d’Eau, Carosse, Les Rampiers, Roquefeuil, Grande Fontaine, Petit Bernica, La Plaine, Les Chocas, big bottom)
  • Saint-Leu (Pointe des Châteaux, rue Haute, Portail)
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Southern area:

  • Saint Joseph (Jean Petit Les Bass)
  • Saint-Pierre (La Ligne Paradis, La Vallée, Downtown, Grands-Bois)

The northern area

  • Saint-Denis (Saint Clotilde)


Health authorities recommend that residents:

  • Protect yourself from mosquito bites, including for the seven days following the onset of symptoms to protect those around you. Continue to protect yourself, even if you have had dengue previously; Many serotypes of dengue can spread and infection with one serotype does not protect against attack by another.
  • Get rid of breeding grounds (mosquitoes’ nests): Vacuum anything that may have water around your house, check gutters, etc.
  • Consult a doctor if symptoms appear: fever, headache, muscle/joint pain, nausea, vomiting, etc., and take the sample at the medical analysis laboratory prescribed by your doctor to confirm the diagnosis of dengue.
  • If you are sick with dengue fever: Continue to protect yourself from mosquito bites.

Avoid extreme forms

For the prevention of severe forms of dengue fever:

  • Monitor your health, especially between the fourth and eighth days of illness
  • Consult your doctor or emergency department if you experience the following signs and symptoms: severe abdominal pain, persistent vomiting, inability to eat/hydration, extreme tiredness, insomnia.
  • Consult an ophthalmologist or the CHU Nord emergency department without delay, in the event of an ophthalmological complication (a sudden and severe decrease in vision) occurring approximately 8 days after signs of dengue appear.
  • Go to the hospital if your health condition deteriorates

Severe forms of dengue affect all ages: infants, children, adults, and the elderly. They occur in both healthy people and people with diseases. Children under two years of age, whose parents think they may have dengue fever, should preferably be cared for in a hospital.

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Since dengue is likely to damage the liver, it is recommended that you carefully follow your doctor’s recommendations on taking paracetamol.

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