This quasi-experimental study examines whether offering an incentive cash card to adults who receive or drive someone to receive their first dose of COVID-19 vaccine raises vaccination rates.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8546614 | PMC |
| http://dx.doi.org/10.1001/jamainternmed.2021.6170 | DOI Listing |
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