Dengue, the map of cases region by region. Here’s what we need to do

Where do the majority of Italians forced to deal with Dengue come from? From Brazil, a country where the infected have exceeded 3 million. We are talking about the disease caused by four very similar viruses (Den-1, Den-2, Den-3 and Den-4), transmitted to humans by mosquito bites which in turn bite an infected person.