Nick Vivarelli International CorrespondentItalian writer-director Niccolò Ammaniti’s dystopian drama “Anna,” centered on a 13-year-old girl who must contend with a viral contagion that kills off all adults on the island of Sicily, has been sold by Fremantle to over 30 territories, including a multi-territory deal with Disney Plus for key European markets.The Sky Original production, produced by Fremantle’s Wildside and co-produced by ARTE France, the New Life Company and Kwaï, is now set to