TY - GEN AU - Reina,J AU - DueƱas,J TI - [Analysis of influenza types and subtypes according to pediatric age in the last four epidemic seasons] SN - 1988-9518 PY - 2021///0120 KW - Adolescent KW - Age Distribution KW - Child KW - Child, Preschool KW - Humans KW - Infant KW - Infant, Newborn KW - Influenza A Virus, H1N1 Subtype KW - isolation & purification KW - Influenza B virus KW - Influenza, Human KW - epidemiology KW - Nasopharynx KW - virology KW - Pharynx KW - Spain N1 - Publication Type: Letter UR - https://doi.org/10.37201/req/089.2019 ER -