Correction to: BMC Infect Dis 20, 547 (2020)

https://doi.org/10.1186/s12879-020-05265-3

After publication of the original article [1], the authors identified an error in Fig. 1.

The correct Fig. 1 is given below:

Fig. 1
figure 1

Location of Fujian, Hainan, and Gansu Provinces participating in the hepatitis B surveillance project, China 2015