Correction to: BMC Health Serv Res 21, 1176 (2021)

https://doi.org/10.1186/s12913-021-07173-x

Following publication of the original article [1], an error was identified in the Results section of the Abstract.

The updated Results is given below and the changes have been highlighted in bold typeface.

From 19 November 2019 to 20 December 2019, the intervention team tested 7,403 clients, and the SOC team tested 2,426 clients.

The original article [1] has been corrected.