Impact of Vaccine and Immunity Passports in the Context of COVID-19: A Time Series Analysis in Overseas France.

ABSTRACT: (1) Background: By summer 2021, overseas France turned COVID-19 vaccine and immunity certificates into passports to open travel bubbles. Subsequently, its territories set French records for both COVID-19 and 6-month excess all-cause mortality. (2) Methods: Official time series were collected to compare time correlations between air traffic and COVID-19 transmission and mortality in overseas France, before and after the implementation of immunity passports. (3) Results: Air traffic initially had a reversed relationship with COVID-19, which transitioned into a leader-follower relationship with the introduction of immunity passports. Essentially, air traffic increased 16 days before COVID-19 cases increased (r = 0.61) and 26 days before deaths increased (r = 0.31) in Martinique, 26 days (r =

SUBMITTER: d'Almeida S 

PROVIDER: S-EPMC9229335 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature