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. 2019 Jul 16;79(4):373–382. doi: 10.1016/j.jinf.2019.07.008

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© 2019 The British Infection Association. Published by Elsevier Ltd. All rights reserved.

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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Fig. 3 — Month of peak incidence for the four RNA respiratory viruses. IAV – influenza A virus, IBV – influenza B virus, RSV – respiratory syncytial virus, PIV3 - parainfluenza type 3 virus. Peak incidence months showing significant annual and biannual seasonality (determined by wavelet analysis) were estimated via a circular statistics method. Study sites are ordered by their latitudes. *no PIV3-specific data. ^⁎⁎only IAV and IBV data available.