800
Participants
Start Date
September 30, 2012
Primary Completion Date
June 30, 2014
Study Completion Date
June 30, 2014
Trivalent influenza vaccine (seasonal)
"Single 0.5ml dose of Southern hemisphere 2012 TIV, formulation containing:~* An A/California/7/2009 (H1N1)pdm-like virus~* An A/Perth/16/2009 (H3N2)-like virus\*~* A B/Brisbane/60/2008-like virus \* A/Wisconsin/15/2009 and A/Victoria/210/2009 are A/Perth/16/2009-like viruses for use in the 2012 Southern Hemisphere winter. This vaccine is the same as the vaccine used for the 2011 Southern hemisphere influenza season."
Normal saline
0.5ml normal saline will be used as 'placebo' vaccine to maintain blinding
Respiratory and Meningeal Pathogens research unit, Soweto, Johannesburg
University of Witwatersrand, South Africa
OTHER