I think any sensible epidemiology response would presume H2H to be possible if the unknown viral pneumonia is compared to SARS. The fact is Taiwan, Hong Kong, S

I think any sensible epidemiology response would presume H2H to be possible if the unknown viral pneumonia is compared to SARS. The fact is Taiwan, Hong Kong, South Korea, Singapore response are all inline with WHO recommendations to screen, test, trace and isolate on Jan23. Early Jan screening, pre testkit, was basically temperature checks that is insufficient given asymptomatic transmission. Most East Asian countries did this as well, but in retrospect it was essentially security theater. The only deviation in response was early travel bans to China (initially only to Hubei) but this was also AFTER Hubei lockdown which was a pretty clear broadcast that the situation was serious. I would argue also unnecessary since imported cases statistics from these countries (and others) demonstrate covid19 never spread much in China. For example, Taiwan repatriation ~1000 out of Wuhan with 1 positive test. At the end of the day, countries that took prompt actions based off WHO recommendations did well and without massive civic disruptions. The countries that waited too long suffered.