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. 2021 Jun 4;68:103419. doi: 10.1016/j.ebiom.2021.103419

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© 2021 The Author(s)

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig 1 — Monthly anti-SARS-CoV-2 IgG seropositivity in blood donors (crude seroprevalences and Bayesian model population-weighted and manufacture test-performance-adjusted) and epidemiological indicators in regions of Madagascar; a – Atsinanana, b – Analamanga, c – Haute Matsiatra, d – Boeny and e – Atsimo Andrefana. Light blue bars: COVID-19 suspected individuals tested negative for SARS-CoV-2 by RT-PCR; Dark blue bars: COVID-19 suspected individuals tested positive for SARS-CoV-2 by RT-PCR; Blue line: SARS-coV-2 case confirmation rate; Red line: anti-N IgG crude seroprevalence among RBTC collected samples (95% confidence interval); Dotted red line: population-weighted test-performance adjusted seroprevalences (95% confidence interval). (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)