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. 2020 Oct 14;9(1):494–496.e1. doi: 10.1016/j.jaip.2020.09.060

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© 2020 American Academy of Allergy, Asthma & Immunology.

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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Trends in hospitalizations for asthma and COVID-19 for Japanese acute-care hospitals among children and adults, 2017 through 2020. Children aged < 18 years (A) and adults aged ≧ 18 years (B).