Vietnam also has fewer confirmed cases per-capita (3/mil vs 100/mil) despite testing more people per-capita than Japan. https://ourworldindata.org/grapher/covid

Vietnam also has fewer confirmed cases per-capita (3/mil vs 100/mil) despite testing more people per-capita than Japan. https://ourworldindata.org/grapher/covid-19-tests-cases-scatter-with-comparisons https://ourworldindata.org/grapher/covid-19-tests-cases-scat... Japan's low per-capita tests could be justified by saying they don't have many per-capita cases, but their test-to-positive ratio is similar to places which have been hit hard like Italy and Portugal. It should be easier for them to have a higher ratio given that they have so few cases compared to Italy