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. 2019 Feb 5;44:44–50. doi: 10.1016/j.mcp.2019.02.002

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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 — Melting curve analysis of the specificity of the duplex SYBR Green I based. qPCR assay. No cross-reactions were detected with porcine circovirus type 2, porcine transmissible gastroenteritis virus, porcine reproductive and respiratory syndrome virus, classical swine fever virus porcine pseudorabies virus, porcine parvovirus and ddH2O.