The extent of alarm is as excessive because the variety of instances in Brazil. A cocktail of viruses performing concurrently from completely different fronts in the direction of a standard objective is accountable: to unfold as a lot as doable.
On the high of the checklist is dengue fever, which has already brought about 1.3 million infections. However there are others: the Zika virus, in addition to the Chikungunya virus, that are rearing their heads once more. A lot in order that they’ve put Rio de Janeiro, São Paulo and a complete of six Brazilian states in a state of emergency.
An alarm that additionally impacts Argentina however may be prolonged to Europe: because the Italian newspaper La Repubblica characteristically studies, “just one air flight is required to achieve this viral cocktail in Italy, which has subsequently activated controls at airports and disinfects the plane to forestall the chance of unfold”.
The scenario in Brazil is as follows: to start with, it has declared an SOS relating to dengue fever, because it counts 1.3 million infections, 330 confirmed deaths and 767 suspected deaths which might be being investigated by the Ministry of Well being. Within the first two months of 2024, Brazil recorded a mean of 19,544 instances per day, a quantity 390% greater than within the corresponding interval of 2023. However the Zika virus can be inflicting concern once more, with 1,035 instances, the very best quantity as of 2019. Each dengue, Zika, and Chikungunya are transmitted by contaminated Aedes aegypti mosquitoes. Nevertheless, as virologist Fabrizio Preliasco, medical director at Milan's Galeazzi Hospital, informed Repubblica, the chance of “importing” infections is excessive.
“This variety of instances is barely the tip of the iceberg of a wider scenario,” he identified. “These nations, Brazil, Argentina, have the Adedes aegypti mosquito, a selected insect – provider of the dengue and Zika viruses. In Italy [όλη τη Νότια Ευρώπη, στην πραγματικότητα] the identical job is carried out by the tiger mosquito. The instances recorded in Veneto, Lazio and Lombardy (Italy counted within the final 12 months 82 native instances of dengue fever, in addition to 280 imported instances, from vacationers getting back from locations the place the illness is endemic) present that, sadly, its our tiger mosquito, which has now turn out to be one of many dominant ones, has the flexibility to transmit the illness.”
So though the Aedes aegypti mosquito shouldn’t be current in Italy, nor in our nation, viruses may be transmitted by “native” mosquitoes: it’s sufficient for them to have bitten an contaminated individual to transmit dengue fever.
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