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. 2021 Aug 9;194:105162. doi: 10.1016/j.antiviral.2021.105162

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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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Fig. 3 — SARS-CoV-2 replication kinetics in NHBE and SAEC. Virus replication kinetics in (A) NHBE or (B) SAEC following a low and high infective dose inoculation. The horizontal dotted lines correspond to the detection limit. ns, not significant; *, p < 0.05; **, p < 0.01; ***, p < 0.001 (ANOVA, Tukey's test).