https://www.forbes.com/sites/williamhaseltine/2021/03/30/moderna-and-pfizer-vaccines-prevent-infection-as-well-as-disease-key-questions-remain/amp/
https://www.forbes.com/sites/williamhaseltine/2021/03/30/moderna-and-pfizer-vaccines-prevent-infection-as-well-as-disease-key-questions-remain/amp/