Figure 2 | Scientific Reports

Figure 2

From: Using survey data to estimate the impact of the omicron variant on vaccine efficacy against COVID-19 infection

Figure 2

Analysis of vaccine efficacy towards preventing infection: Sub-figure (a) shows distributions of efficacy in October and December, for the countries with presence of Omicron (as defined in Section “Countries and time periods”); Sub-figures (b–d) show vaccination efficacy versus Omicron prevalence in the same set of countries, depending on vaccination status. For each country the 95% confidence intervals of the two values are shown as black lines. The blue line is the Loess curve fitting of the data.

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