danlb_2000
Premium Member
Where’s the fun in that?
“"While Pfizer and BioNTech believe a third dose of BNT162b2 has the potential to preserve the highest levels of protective efficacy against all currently known variants including Delta, the companies are remaining vigilant and are developing an updated version of the Pfizer-BioNTech COVID-19 vaccine that targets the full spike protein of the Delta variant," the company said.”
https://www.cnn.com/2021/07/08/health/pfizer-waning-immunity-bn/index.html
Not sure what to think about this study from Israel, because studies in England and Scotland showed higher protection that what the Israel study showed.