Swine influenza surveillance in Italy uncovers regional and farm-based genetic clustering.

ABSTRACT:

Introduction

Swine Influenza is a respiratory disease endemic in pigs with implications for animal and public health. Pigs, as mixing vessels for human, avian, and swine influenza strains, contribute to viral reassortment and emergence of new strains. Influenza viruses can circulate and spread unnoticed between pig farms for extended periods, heightening the risk of reassortment events. This study aimed to monitor swine Influenza virus (swIAV) genetic diversity in Northern Italy and understand its evolution in the study area.

Material and methods

Passive surveillance, conducted from 2013 to 2022, involved 253 farms located in three regions, collecting over 3,000 samples that were tested for swIAV. Eighty-five samples underwent full genome sequencing, and phylogenetic analyse

SUBMITTER: Cavicchio L 

PROVIDER: S-EPMC12318940 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature