Booster shots alone will not save us

Breakthrough infections, or infections in those who are fully vaccinated against Covid-19, have become the most unsettling new development in the world's struggle to gain the upper hand over the pandemic. On Thursday alone, three US senators, all of whom had been vaccinated, announced they had tested positive for Covid-19.

source https://www.cnn.com/2021/08/21/opinions/booster-shots-alone-will-not-save-us-sepkowitz/index.html