News What if you had your choice of COVID-19 vaccine? Differences are small, but they do exist March 16, 2021March 16, 2021Elizabeth Weise, USA TODAYComments Off on What if you had your choice of COVID-19 vaccine? Differences are small, but they do exist If you get the choice, which COVID-19 vaccine should you choose? For now, any one you can get. But supply is growing, and there are differences.