Early start of seasonal transmission and co-circulation of West Nile virus lineage 2 and a newly introduced lineage 1 strain, northern Italy, June 2022 Barzon, Luisa and Montarsi, Fabrizio and Quaranta, Erika and Monne, Isabella and Pacenti, Monia and Michelutti, Alice and Toniolo, Federica and Danesi, Patrizia and Marchetti, Giulio and Gobbo, Federica and Sinigaglia, Alessandro and Riccetti, Silvia and Dal Molin, Emanuela and Favero, Laura and Russo, Francesca and Capelli, Gioia, Eurosurveillance, 27, 2200548 (2022), https://doi.org/10.2807/1560-7917.ES.2022.27.29.2200548