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Fig. 1 | BMC Infectious Diseases

Fig. 1

From: Evaluating methodological approaches to assess the severity of infection with SARS-CoV-2 variants: scoping review and applications on Belgian COVID-19 data

Fig. 1

Share of SARS-CoV-2 variants of concern (VOC: Alpha, Beta, Gamma, Delta, Omicron (sub-lineage not specified), Omicron BA.1, Omicron BA.2, and other) per week (x-axis labels indicating the first day of the week) in Belgium as identified though the baseline genomic surveillance. An indication of the exposure groups (Omicron versus Delta variant) by time period is given: Delta period 30th of August–14th of November 2021 and Omicron period 31st of January–28th of March 2022

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