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. 2022 Jun 15:NEJMoa2203965. doi: 10.1056/NEJMoa2203965

Figure 1. Effectiveness of Previous Infection, Vaccination with BNT162b2, and Hybrid Immunity against Symptomatic Omicron BA.1 and BA.2 Infection and against Severe, Critical, or Fatal Covid-19.

Figure 1

𝙸 bars indicate 95% confidence intervals. Covid-19 denotes coronavirus disease 2019.