That is a very good observation. I had wondered about this too. Could they be experimenting on people using different batches?
it also strikes me that President Trump may have forced their hand early, before they were fully ready. Their vaccine plan has not gone smoothly IMO
That is a very good observation. I had wondered about this too. Could they be experimenting on people using different batches? it also strikes me that President Trump may have forced their hand early, before they were fully ready. Their vaccine plan has not gone smoothly IMO