Fig. 5
From: Investigating vaccine-induced immunity and its effect in mitigating SARS-CoV-2 epidemics in China
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12916-022-02243-1/MediaObjects/12916_2022_2243_Fig5_HTML.png)
The impact of vaccine efficacy and vaccine coverage on the effective reproduction number. The bold line in black indicates the herd immunity threshold Re =1