Preprint | Published | Total | |
Date pre-printed or published | |||
January | 0 | 1 | 1 |
February | 0 | 4 | 4 |
March | 4 | 11 | 15 |
April | 0 | 3 | 3 |
May | 1 | 5 | 6 |
Study design | |||
Modelled | 5 | 21 | 26 |
Observational | 0 | 3 | 3 |
Level of region affected by travel measures | |||
Mainland China | 3 | 14 | 17 |
Other single country | 1 | 4 | 5 |
Multicountries or global | 1 | 6 | 7 |
Level of travel measures imposed | |||
International | 2 | 10 | 12 |
Interprovincial | 3 | 13 | 16 |
Both* | 0 | 1 | 1 |
Travel measures analysed† | |||
Suspended transportation | 4 | 20 | 24 |
Border restrictions | 3 | 18 | 21 |
Screening | 0 | 5 | 5 |
Entry quarantine | 1 | 3 | 4 |
*Papers evaluating the impact of both international and interprovincial measures.
†Papers may analyse effects of multiple restrictions.