"One way to do this is cluster investigations, or “backwards contact tracing”, which have been a key feature of the thus far successful response in Japan."
Ref
Cluster-based approach to COVID-19 response in Japan—February–April 2020
https://t.co/oFDi8D7EXD
@eggersnsf @keiserolivia @BAG_OFSP_UFSP Here is their Japanese explanation of their approach to contact tracing (4 pages): https://t.co/BBabVBmnIj
How it fits in their general approach to Covid ("cluster-busting"): https://t.co/jCRTd87D8X
Standard contact form (we could ask for translation): https://t.co/MWaXnFORTd https://t.co/Hdp0ZERk7I