The wet market was where a variety of live animals were traded until it was shut down following fears that the coronavirus had jumped to humans either from bats or pangolins.
A sense of disquiet prevailed in Beijing as officials announced the capital's first death from the deadly virus, a grim reminder that the epidemic has begun to take toll outside Hubei province.
Studies in China claim that traditional Chinese medicines seem to be working effectively on patients with mild or moderate symptoms of coronavirus.
The affected nurse is being treated and is recovering well, junior foreign minister V Muraleedharan said. Meanwhile, China has locked down five cities, including Wuhan, suspending all public transport in an unprecedented move to contain the coronavirus that has infected over 630 people and left 17 others dead.
A 55-year-old from Hubei province could have been the first person to have contracted the viral infection on November 17 last year and cases rapidly began piling up since then, it said, without revealing the gender of the individual.
Common symptoms of the novel coronavirus (nCoV) strain, which has infected more than 300 people since the outbreak in Wuhan in December, include respiratory symptoms such as fever, cough, shortness of breath and breathing difficulties, the WHO said
'There is little doubt that China today stands in the dock, charged with misdemeanour with regard to the health and well-being of its own citizens and of the people of the world,' notes Amulya Ganguli.