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Cases of severe acute respiratory infection with influenza A(H3N2), A(H1N1)pdm09, and B, and negative controls, I-MOVE+ study, Europe, influenza season 2015/16 (n = 504 casesa; n = 1,274 controls)
I-MOVE+: Integrated Monitoring of Vaccines in Europe plus; ISO: International Organisation for Standardisation; SARI: severe acute respiratory infection.
a Including two influenza A(H1N1)pdm09 and B co-infections and one influenza A(H3N2) and B co-infection.
