Study registration: *
Publication Griffin J, MMWR, 2021
Dates: 2020-12-01 to 2021-07-25
Funding: Not reported/unclear
Conflict of interest: no COI (M. Claire Jarashow reports consulting fees from Uber outside the current work and unpaid board membership of two international nongovernmental organizations (C2C and Developing Communities) outside the current work. No other potential conflicts of interest were disclosed.)