Should we be worried about tick-borne Crimean and Congo fever?

Through their bites, ticks can infect Lyme disease, which is a serious attack on the nervous system. But this tiny mite can also transmit Crimean and Congo hemorrhagic fevers. Therefore, vigilance is necessary.

Ticks are many hikers’ nightmare when the weather heats up. These tiny mites, about the size of a pinhead, can inoculate, through their bite, Lyme disease, which is a serious attack on the nervous system. but that is not all. As revealedhandlesanother disease could develop due to their spread: Crimean-Congo hemorrhagic fever.

Native to Africa and Asia, and introduced primarily by migratory birds from Africa, the Hyalomma tick is the only culprit. But let even the most anxious rest assured. While many cases are recorded each year in Spain, no authentic human case has been detected in France despite its presence for several decades in Corsica and since 2015 on the Mediterranean coast. Despite everything, this tick could expand its presence in France due to climate change. “The Hyalomma tick already likes dry climates and hot periods. This is why in France it is found preferentially in the woods or nuts around the Mediterranean, unlike other ticks that are more or less forest-dwelling,” explained Elsa Cuilleri of ANSES.

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Nationwide tick surveillance

Faced with this situation, the organization is calling for the implementation of surveillance for these ticks on a national scale. “To better prepare for the possible appearance of the CCHF virus on our lands, it is necessary to strengthen the surveillance of ticks in France and also of those coming from countries where the virus is currently circulating. she added. Note thatEnray He just put an interactive map online to list the number of mouthfuls for each location in France, in real time. Currently, the regions with the highest number of reports are Grand Est, Ile-de-France, and Nouvelle-Aquitaine.

As a reminder, Crimean and Congo fever is generally limited to a flu-like syndrome with gastrointestinal disturbances. However, in some cases, it can worsen and lead to hemorrhagic syndrome, the fatality rate of which is as high as 30% in some countries.

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