Fig. 2
The air-travel volume and the expected number of mpox importations in China. a The expected cumulative number of mpox importations from May to September 2022 with air-travel volume in 2019 and 2022. b The expected number of mpox case importation from other countries/regions with air-travel volume in 2019 and 2022. In panel a, the inset indicates the actual monthly air-travel volume to Chinese mainland from 2017 to 2022. The red and blue curves in the main panel indicate the expected number of mpox importations in the Chinese mainland. In panel b, the three letter texts are ISO Alpha-3 codes, BRA denotes Brazil, CAN denotes Canada, COL denotes Colombia, DEU denotes Germany, ESP denotes Spain, FRA denotes France, GBR denotes United Kingdom, ITA denotes Italy, NLD denotes Netherlands, PER denotes Peru, PRT denotes Portugal, USA denotes United States of America (Additional file 1: Table S8)