“first to impose a travel ban on Chinese travelers”
Provably false. Israel, among others, did that first.
recall that floating petri dish?:
Ship quarantined. Passengers and crew to stay on board until at least Tuesday night.
https://www.reuters.com/article/us-china-health-japan-ship-idCAKBN1ZY0BP
Actually it was the Chinese, within parts of their own country, who I believe did that first.