What’s next for COVID-19 vaccines? Scientists and regulators chart a course amid uncertainty | Science | AAAS

https://www.science.org/content/article/what-s-next-covid-19-vaccines-scientists-and-regulators-chart-course-amid-uncertainty#:~:text=In%20the%20future%2C%20the%20primary,most%20of%20the%20U.S.%20population.