Table 1

Summary statistics

PreprintPublishedTotal
Date pre-printed or published
 January011
 February044
 March41115
 April033
 May156
Study design
 Modelled52126
 Observational033
Level of region affected by travel measures
 Mainland China31417
 Other single country145
 Multicountries or global167
Level of travel measures imposed
 International21012
 Interprovincial31316
 Both*011
Travel measures analysed†
 Suspended transportation42024
 Border restrictions31821
 Screening055
 Entry quarantine134
  • *Papers evaluating the impact of both international and interprovincial measures.

  • †Papers may analyse effects of multiple restrictions.