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. 2021 Jan 4;490:112958. doi: 10.1016/j.jim.2021.112958

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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. 4 — Cross-reactivity of antibodies (IgG) detecting other hCoV a 20 sera with MERS-CoV S1-specific or b 27 sera with HKU1 S1-specific antibodies were analyzed in the SARS-CoV-2 S1 ELISA and in the respective other hCoV ELISA.