Authors' reply: diagnostic challenges to be considered regarding Zika virus in the context of the presence of the vector Aedes albopictus in Europe. - Venturi G; Zammarchi L; Fortuna C; Remoli ME; Benedetti E; Fiorentini C; Trotta M; Rizzo C; Mantella A; Rezza G; Bartoloni A (Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin, 2016)