Spain - National Study of Sero-epidemiology of Infection by Sars-Cov-2 2020 Estudio Nacional de Sero-epidemiología de la Infección por Sars-Cov-2 en España Survey: Exam - Household - Interview - Longitudinal GHDx Entry last modified on: Aug 24, 2023
Namibia Population and Housing Census 2001 Census: Cross-sectional - De facto - Household - Interview - Nationally representative - Subnationally representative GHDx Entry last modified on: Mar 25, 2022