Anticorpi anti Pneumococ IgG postvaccinali (Streptococcus pneumoniae anticorpi anti capsula polizaharidica 1-5, 6B, 7F, 8, 9N, 9V, 10A, 11A, 12F, 14, 15B, 17F, 18C, 19F, 20, 22F, 23F, 33F) (PNGE)