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. 2021 Dec 22;41(6):348–351. [Article in Spanish] doi: 10.1016/j.eimc.2021.11.014

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© 2021 The Authors

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Figura 1 — A: Número de hospitalizaciones por bronquiolitis aguda por mes y temporada epidémica. En línea discontinua se observa el pico de incidencia tardío de bronquiolitis aguda durante la primavera-verano de 2021. B: Virus respiratorios detectados con técnicas moleculares durante las temporadas estudiadas.