“Taiwan on Monday tightened curbs on Chinese visitors to the island amid the coronavirus outbreak and said it will make sure people are not breaking a temporary ban on exporting face masks.”
http://news.trust.org/item/20200127154757-nicyu/
“By using an estimate of 10 days from exposure to detection and an effective population of 20 million people in Wuhan catchment area the estimated median size of the Wuhan outbreak is 26,200 infections [95% CI: 19,200-34,800]. Technical details are in the full report available below. “
https://www.mobs-lab.org/2019ncov.html