2023-10-25 20:41:00
As part of a study aimed at detecting its presence in France, Cirad (Centre for international cooperation in agricultural research for development) detected the virus on October 6, 2023. Crimean-Congo hemorrhagic fever (FHCC) in ticks of the species Hyalomma marginatum collected from cattle Eastern Pyrenees. These first analyzes were confirmed by the CNR (National Reference Center for Viral Hemorrhagic Fevers) of the Pasteur Institute, thus establishing for the first time the presence of the virus in France.
CCHF virus is transmitted by the bite of adult ticks of the genus Hyalommabut also through contact with bodily fluids of viremic infected humans or animals.
Native to Africa and Asia and introduced mainly by migratory birds from Africa, the tick H. marginalized is present throughout the Mediterranean rim and risks expanding further north in the future, under the effect of climate change. In France, the tick H. marginatum, in its adult form, bites domestic and wild ungulates (cattle, horses, small ruminants, deer) and occasionally humans. It is active only in spring between April and July.
To date, no indigenous case of FHCC has been detected in France.
In the absence of a vaccine once morest CCHF, the main way to reduce the risk of infection in humans is to protect once morest tick bites:
when walking in nature, wear closed shoes and light-colored covering clothing in order to better spot ticks on the surface of the fabric, tuck pants into socks; avoid walking among grass, bushes and branches low and favor marked paths; possibly use skin repellents with marketing authorization (AMM), while respecting the recommendations for use (recommendations for travelers from 2023 for repellents); inspect yourself upon returning from your walks in the forest, in the scrubland and scrubland or in the garden, particularly in the folds of the skin, without forgetting the scalp; in the event of a bite, immediately remove the attached ticks using a tick remover, fine tweezers or, failing that, your nails and disinfect the area; monitor your general condition and quickly consult a doctor if symptoms appear in the month following exposure.
Source: Public Health France
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