RT Journal Article SR Electronic T1 Intranasal, live, attenuated influenza virus vaccine reduced severe febrile illness in healthy adults JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 44 OP 44 DO 10.1136/ebm.5.2.44 VO 5 IS 2 YR 2000 UL http://ebm.bmj.com/content/5/2/44.abstract AB