Since 2010, the first year that human infections with the dengue virus were detected in France, many researchers have been trying to find formal proof to incriminate an obvious suspect in the transmission of the disease: the tiger mosquito.
There is no shortage of clues: Aedes albopictus has been determined as a vector of virus diffusion in the laboratory and the increase in imported and indigenous cases is linked to the colonization of France by the insect, now present in 78 departments. But the tiger mosquito had not yet been caught red-handed. No individual had so far been able to be analyzed as a carrier of the dengue virus in nature. This has been done since the summer of 2023, with genetic analyses having been available since mid-September.
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