id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-314591-ylokznn5	Quilty, Billy J.	The effect of travel restrictions on the geographical spread of COVID-19 between large cities in China: a modelling study	2020-08-19		.txt	text/plain	5261	265	53	Due to the volume of outbound travel from Wuhan in scenario 1, we estimate that sustained local transmission was likely to have already occurred in the four cities in early January, several weeks prior to the introduction of the cordon sanitaire (Table 2) . No substantial difference was observed in the daily incidence in the scenarios with and without travel restrictions in the four cities after the cordon sanitaire was imposed on 23 January; there were enough infected people to sustain local transmission in the absence of imported infections ( Fig. 3 and Additional file 1: Figure S4 ). By utilising publicly available mobility data to model the spread of the outbreak from Wuhan to other large population centres in China, we find that infected travellers from Wuhan likely led to local transmission in other major Chinese cities weeks before the cordon sanitaire.	./cache/cord-314591-ylokznn5.txt	./txt/cord-314591-ylokznn5.txt