Univ Piemonte Orientale, Dept Translat Med, Virol Unit, Novara, Italy

Univ Turin, Dept Publ Hlth & Pediat Sci, Viral Pathogenesis Unit, Turin, Italy

Univ Milan, Dept Biomed & Clin Sci L Sacco, Milan, Italy

Univ Piemonte Orientale, Div Internal & Emergency Med, Dept Translat Med, Novara, Italy

Maggiore Carita Hosp, Dept Lab Med, Unit Microbiol & Virol, Novara, Italy

Maggiore Carita Hosp, Novara, Italy