with the current formulas this is true. https://www.forbes.com/sites/williamhaseltine/2021/03/25/modeling-study-predicts-immune-protection-may-vary-for-differen

with the current formulas this is true. https://www.forbes.com/sites/williamhaseltine/2021/03/25/modeling-study-predicts-immune-protection-may-vary-for-different-covid-19-vaccines/ https://www.forbes.com/sites/williamhaseltine/2021/03/25/mod... seeing almost half the efficacy after 250 days.