The withdrawal agreement received the backing of the constitutional committee in the European Parliament on 23 January, setting expectation that the entire parliament would approved it in a later vote.
On 23 January 2020, a quarantine on travel in and out of Wuhan was imposed in an effort to stop the spread of the virus out of Wuhan. Flights, trains, public buses, the metro system, and long-distance coaches were suspended indefinitely. Large-scale gatherings and group tours were also suspended.
On 23 January 2020, the number of reported confirmed cases of 2019-nCoV has increased by 267 cases since the last situation report published on 22 January 2020. As of 23 January, China reported cases in 25 provinces (autonomous regions and municipalities). Twenty-five percent of confirmed cases reported by China have been classified by Chinese health authorities as seriously ill (from Wubei Province: (16% severely ill, 5% critically ill, and 4% having died).