Japanese health officials claim their different approach to contract tracing is one of the “secrets” to their early success in containing COVID-19. But what is so-called "retrospective contact tracing"?
Copyright 2020 KUNC
Japanese health officials claim their different approach to contract tracing is one of the “secrets” to their early success in containing COVID-19. But what is so-called "retrospective contact tracing"?
Copyright 2020 KUNC