I saw a YouTube video from a Doctor (he has several on COVID) where he was saying the Astra-Zeneca/Oxford vaccine would turn out to be the most effective. Because: 1) Old technology. 2) Claimed efficacy would probably improve with larger data, whereas the others may well fall due to distribution logistics with storage temperature needed. 3) $3/4 a shot means the take-up world wide will be greater. And it has to be a world solution, we are a flat earth (commercially speaking). & I would add that the Serum Institute in India (the biggest make of vaccines) turned over all their production to the A-Z/O vaccine long ago. A gamble now paying off. India is a big market. I see several of this parish have had the call to arm. Things is moving fast.
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