Immunogenicity and Safety of Trivalent Influenza Vaccine in Pregnant and Nonpregnant HIV Uninfected Women

"The formulation based on the WHO recommendation for influenza vaccines for 2013 for the Southern-hemisphere included the following vaccine strains:~* an A/California/7/2009 (H1N1)pdm09-like virus;~* an A/Victoria/361/2011 (H3N2)-like virus; - a B/Wisconsin/1/2010-like virus.~The vaccine to be used in the study in 2013 is Vaxigrip (Sanofi Pasteur), or other equivalent licensed vaccine should the latter not be available, which will be procured commercially in pre-filled syringes. Using aseptic technique, participants will be injected with 0.5 mL of TIV from pre-filled syringe."