4 ms·
I wonder how much the heterologous approach (different viral vectors for first and second doses) contributed to its high efficiency compared to a similar Astra
by puzzlingcaptcha 6y ago
I wonder how much the heterologous approach (different viral vectors for first and second doses) contributed to its high efficiency compared to a similar Astra Zeneca vaccine. Conversely, why did Astra Zeneca opted not to do it this way.
- timr 6y ago> Conversely, why did Astra Zeneca opted not to do it this way. Because it's far more complicated (to manufacture and to distribute), and it isn't clear that it's necessary.