A severe acute respiratory syndrome coronavirus that lacks the E gene is attenuated in vitro and in vivo - DeDiego, Marta L.; Alvarez, Enrique; Almazan, Fernando; Rejas, Maria Teresa; Lamirande, Elaine; Roberts, Anjeanette; Shieh, Wun-Ju; Zaki, Sherif R.; Subbarao, Kanta; Enjuanes, Luis; (Journal Of Virology, 2007)