The French authorities have launched a surveillance plan in response to the sharp enhance in imported circumstances of dengue and in anticipation that they might rise much more because of the arrival of holiday makers for the Paris Olympic Video games.
From January 1 to April 19, 2024, metropolitan France recorded 1,679 imported circumstances of dengue, 13 instances greater than the identical interval of the earlier yr.
“Vigilance is crucial,” the Pasteur Institute, specialised in illness prevention on this nation, burdened in an announcement this Tuesday, referring to the document numbers of infections recorded.
France registered 45 indigenous circumstances of dengue in 2023, however as of June 11, “none have been detected,” mentioned the French state company Public Well being.
Given the circulate of worldwide guests forward of the Video games, which start on July 26 and with which the French capital will host greater than ten million vacationers, well being authorities worry that the scenario will worsen because of the potential implantation of arboviruses. by way of folks from endemic international locations.
The scenario wouldn’t be unprecedented in Olympic tournaments, since there have been already precedents in Brazil 2016 when the competitors was nearly postponed because of the well being alert concerning the Zika virus and in Tokyo 2020 because of the potential affect on the variety of Covid circumstances. .
Dengue is a virus that’s transmitted by the ‘Aedes albopictus’, also referred to as the tiger mosquito, following it has ingested pathogens by biting an individual already carrying the illness. It isn’t unfold between people and its involvement, Pasteur factors out, is normally asymptomatic in as much as 80% of circumstances.
It’s exactly this final attribute that complicates well being surveillance, whose protocol presently states that if an individual is identified, regional well being companies should examine the place they dwell or have spent the previous few days as a way to set up the areas to be disinfested.
Researchers from the Pasteur Institute along with the Regional Deworming Company and the Nationwide Arbovirus Reference Heart (Inserm-Irba) have proven that the tiger mosquito detected within the Paris area is able to transmitting 5 viruses – West Nile, Chikungunya, Usutu, Zika and dengue.
The incubation intervals are totally different for every of the viruses and vary – at an outdoor temperature of 28 levels – from three days within the case of West Nile, to twenty-one within the case of Zika or dengue.
Well being authorities have registered the presence of the tiger mosquito in as much as 78 departments of metropolitan France and warn that the truth that “the local weather is more and more hotter favors vector transmission.”
The advice for all individuals who return from a visit or enter the nation with signs of fever or ache is to go “directly” to the household physician and document the world from which they arrive.
Paris / EFE
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2024-06-21 14:32:01
