Synflorix (Pneumococcal Vaccines) is produced by GlaxoSmithKline. It is a decavalent vaccine, meaning that it contains ten serotypes of pneumococcus (1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F and 23F) which are conjugated to a carrier protein. Synflorix received a positive opinion from the European Medicines Agency for use in the European Union in January 2009[3] and GSK received European Commission authorization to market Synflorix in March 2009.Synflorix has to be stored between 2 C and 8 C. DO NOT FREEZE. Keep SYNFLORIX in the original pack in order to protect from light.