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. 2019 Mar 9;531:141–148. doi: 10.1016/j.virol.2019.03.006

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© 2019 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 — Study of the cluster size distribution for the 99 amplicons (PCR01 to PCR99) from the MDS4 sample. The top panel shows the number of reads for each amplicon (in black) and the number of reads in the biggest cluster (in gray). The bottom panel shows the proportion of each clusters for each amplicon. The proportion of the biggest cluster is in black and the proportion of clusters containing less than 1% of reads were summed up and are in gray.