Potency of Pfizer, Moderna vaccines falling with passage of time: Study

Potency of Pfizer, Moderna vaccines falling with passage of time: Study

The study has been carried in the Morbidity Mortality Weekly Report from the US Centers for Disease Control and Prevention (CDC). In what appears to be an unfortunate development, scientists have found that the potency or effectiveness of Coronavirus vaccines has diminished in recent months. The findings which have been published by the scientists at … Read more