Coronavirus test costs Japanese citizens $50 to do (iirc in a very weak economy). Relevant to their infection numbers. https://twitter.com/thespandrell/status/1233669687902380032 …
Upside to testing: maybe better care if you have the bug? There’s no therapeutic formula Downside: 1: quarantine 2. Cost 3. Time waiting for test 4. Risk of infection during test Most rational people won’t opt in for it unless they are very worried about them succumbing.