id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-276991-gv1k7u7j	Zhang, Xu	Strategies to trace back the origin of COVID-19	2020-04-08		.txt	text/plain	745	49	58	The recent outbreak of coronavirus disease 2019 (COVID-19), caused by the SARS-CoV-2, had raised great concern. Chinese authorities originally announced that the first infection case was reported on December 31, 2019, and many of the initial cases were linked directly to Huanan seafood market in Wuhan, in the Hubei province. The hypothesis that the outbreak originated at the market, with its initial transmission from live animals to human beings followed by rapid human-to-human transmission, is suggested to be most likely and convincing. Emergence of SARS-like coronavirus poses new challenge in China Novel coronavirus disease (Covid-19): the first two patients in the UK with person to person transmission Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China Emergence of SARS-like coronavirus in china: an update	./cache/cord-276991-gv1k7u7j.txt	./txt/cord-276991-gv1k7u7j.txt