Fig. 2

Monthly testing rate across different regions. A Monthly testing rate by different income level regions from March 2020 to October 2022. B Monthly testing rate by different WHO regions from March 2020 to October 2022
Monthly testing rate across different regions. A Monthly testing rate by different income level regions from March 2020 to October 2022. B Monthly testing rate by different WHO regions from March 2020 to October 2022