LSMS-supported high-frequency phone surveys on COVID-19: new harmonized datafiles and variables available Photo: Ousmane Traore/World Bank As part of a global effort by the World Bank, the Living Standards Measurement Study (LSMS) program has been supporting High-Frequency Phone Surveys on COVID-19 in Ethiopia, Malawi, Nigeria, Tanzania and Uganda to track responses to and socio-economic impacts of COVID-19. The phone surveys leverage the ongoing World Bank Living Standards Measurement Study – Integrated Surveys on Agriculture (LSMS-ISA) initiative and its infrastructure. Surveys are being conducted monthly with a national sample of households that had been interviewed during the latest round of the LSMS-ISA-supported national longitudinal household survey.