Money Vaccines could unleash a hobbled US economy and spur job growth in 2021. But risks loom. December 27, 2020 Paul Davidson, USA TODAY Comments Off on Vaccines could unleash a hobbled US economy and spur job growth in 2021. But risks loom. COVID-19 vaccine likely to spur a strong economy and job growth in 2021 but it depends on Americans' willingness to be vaccinated and the timetable.