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#Contacttracing is essential: only if you find the virus, you can defeat the virus. Even if it is an invisible enemy, there is still a way to find who has it. #China #Covid_19https://twitter.com/DrTedros/status/1250839943167049730 …
It requires meticulous and detailed work to do contact tracing and the ensuing quarantine. Everything is hard to come by. No pains, no gains.
