Comparison of common acute respiratory infection case definitions for identification of hospitalized influenza cases at a population-based surveillance site in Egypt. oleh Emily Rowlinson, Lisa Peters, Adel Mansour, Hoda Mansour, Nahed Azazzy, Mayar Said, Sahar Samy, Eman Abbas, Hanaa Abu Elsood, Manal Fahim, Alaa Eid, Erik Reaves, Chris Van Beneden, Sarah Hamid, Sonja Olsen, Julia Fitzner, Erica Dueger