This indicator allows for construction of UNGASS indicator No 16: percentage of adults aged 15-49 who had sex with more than one sexual partner in the past 12 months.
Due to an association that was observed in the United States between a swine-flu based human influenza vaccine developed in 1976 and the disease acute polyneuropathy Guillain-Barré syndrome (GBS) (1,2), GBS was one of the adverse events that was monitored in Europe and North America (3) following the 2009 influenza pandemic vaccination campaigns.