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Updated: Feb 11, 2026

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors
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Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Published on: September 13, 2018

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Seroprevalence survey of arboviruses in workers from Tuscany, Italy

Maria Elena Remoli1, Cristiano Fiorentini2, Antonella Marchi3

  • 1ISTITUTO SUPERIORE DI SANITÀ, Dipartimento di Malattie Infettive, Parassitarie e Immunomediate, Roma, Italy. mariaelena.remoli@iss.it.

La Medicina Del Lavoro
|April 28, 2018
PubMed
Abstract

Insights

Agricultural and forestry workers in Tuscany showed no increased risk for Toscana virus infection despite potential arthropod exposure. Health surveillance is crucial for monitoring emerging arboviruses.

Area of Science:

  • Medical Entomology
  • Infectious Diseases
  • Public Health

Background:

  • Arthropod-borne viruses (arboviruses) are significant emerging and re-emerging infectious disease threats, capable of spreading into new regions.
  • While some arboviral infections are mild, many can cause severe neurological conditions like meningitis and meningoencephalitis.

Purpose of the Study:

  • To investigate the occupational risk of arboviral infections in agricultural and forestry workers.
  • To assess seroprevalence of specific arboviruses (Flaviviruses and Phlebovirus) in a high-risk population.

Main Methods:

  • A seroprevalence survey was conducted in Grosseto province, Tuscany, Italy.
  • Serum samples from 101 occupationally exposed workers and 100 non-exposed individuals were tested for Toscana, West Nile, Usutu, and Tick-borne encephalitis viruses.
  • Analyses considered demographic data, insect bite history, and outdoor activity duration.

Main Results:

  • Toscana virus seropositivity was 10% (21/201) overall.
  • No significant difference in Toscana virus seroprevalence was found between exposed (10/101) and non-exposed (11/100) workers.
  • No cases of West Nile, Usutu, or Tick-borne encephalitis virus infection were detected.

Conclusions:

  • Despite known Toscana virus circulation, occupational exposure did not correlate with a higher infection risk in this study group.
  • Continued health surveillance is recommended for monitoring potential arbovirus emergence in at-risk populations.

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