Coronavirus live updates: Beijing city bans group meals as China death toll hits 563 confirmed cases rise to 11,791. First US person-to-person case of coronavirus reported in Chicago. ‘We believe people in Illinois are at low risk.’

11:00 am: The latest on airlines suspending China flights

These are the airlines which have suspended all flights to China amid the outbreak:
American Airlines (until March 27),
Delta Airlines (Feb 6. to April 30),
Air France (until Feb. 9),
British Airways,
Air Seoul,
Egyptair,
Lion Air,
Lufthansa,
Swiss Airlines and Austrian Airlines (until end February),
Kenya Airways,
RwandAir (till further notice),
Vietjet (effective Feb. 1),
all Russian airlines (except Aeroflot).

Major routes of outbound air and train travel originating from Wuhan during chunyun, 2019. Darker and thicker edges represent greater numbers of passengers. International outbound air travel (yellow) constituted 13·5% of all outbound air travel, and the top 40 domestic (red) outbound air routes constituted 81·3%. Islands in the South China Sea are not shown. Credit: Wu, et al. / The Lancet

Authors caution that given the lack of a robust and detailed timeline of records of suspected, probable, and confirmed cases and close contacts, the true size of the epidemic and its pandemic potential remains unclear.

New modeling research, published in The Lancet, estimates that up to 75,800 individuals in the Chinese city of Wuhan may have been infected with 2019 novel coronavirus (2019-nCoV) as of January 25, 2020.