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We had already had the opportunity to talk about this virus in recent weeks, but this time we have to talk again because the cases are increasing in our country, and even in Veneto we are talking about the virus. a real alarm. West Nile Fever is a disease caused by West Nile virus (West Nile virus), a virus of the family Flaviviridae isolated for the first time in Uganda in 1937 in the West Nile district ( hence his name).
The virus is widespread in Africa, Western Asia, Europe, Australia and America
West Nile virus infections are sporadic episodes, characterized by fever, headache and, in very rare cases, encephalitis. and meningitis. In children, a mild fever is more common, in young people, the symptomatology is characterized by a high average fever, redness of the eyes, headaches and muscular pains. In the elderly and debilitated, however, the symptoms may be more severe.
The reservoir of pathogens is represented by birds, but transmission of the virus occurs by the puncture of mosquitoes.
The incubation period from the time of the bite of the infected mosquito varies between 2 and 14 days, but it can also be 21 days in subjects with impaired immune system.
As we said at the beginning, the West Nile is triggered in the heart of Delta del Po: the traps of the system of surveillance of the spread of the virus, widespread for Polesie by the regional network of epidemiological surveillance , have captured some mosquitoes infected by West Nile in the territory of Porto Viro.
– Zooprophylactic Experimental Institute of Venezia found the presence of the virus in insects and immediately informed the staff of the prevention Then other groups identified in Caorle and Ceggia and previously also in the provinces from Verona, Treviso and Rovigo, so much to increase the actions of contrast and surveillance systems.
Dr. Luigi Nicolardi, director of the Department of Prevention, advised the 21 municipalities of the health farm to intervene as required by the regional protocol, improving the actions of disinfestation
In addition, at outdoor public events such that festivals, fairs, concerts, the municipalities concerned were also invited to In addition, Dr. Nicolardi invites to inform the population by adopting appropriate measures to combat the proliferation of mosquitoes in the areas of property and to reduce the risk of contact by the use of ad hoc repellents.
The alert was toned down by the mayor of Jesolo. "The contagion is very rare, while serious cases at the neurological level are very rare," he said to clarify the first citizen of the Venetian city. "There is absolutely nothing to alarm," said the mayor, who nevertheless invited everyone to follow the indications of health companies.
Recall that to date, there is no vaccine against West Nile fever. Currently, vaccines are under study, but for now the prevention is mainly to reduce exposure to mosquito bites.
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