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. 2022 Dec 18;86(3):256–308. doi: 10.1016/j.jinf.2022.12.012

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Fig 2 — Population weighted seropositivity estimates of residual paediatric samples by period and age group collected from 1st September 2021 to 30th September 2022, using the Roche N and S assays, stacked columns represent the proportion of samples testing positive with both assays (yellow) and the proportion testing positive with Roche S only (blue).