How can we make sure people get the second COVID-19 vaccine dose?
https://www.sciencedaily.com/releases/2020/12/201214123525.htm
The availability of COVID-19 vaccines, however, will not necessarily result in people getting fully vaccinated.
For the first vaccines that will reach the public, everyone who gets a first dose must have a second dose within a few weeks to get full protection against severe COVID-19.
