Here's more research. Good to know the difference between the two technologies being used to develop the vaccines. Pfizer and Moderna use mRNA technology. Others, like Oxford are using a adenoviral technology which has been in the works for several decades without great results. They are hoping this one is different.
Whether the AstraZeneca vaccine which uses the adenoviral tech has made a breakthrough or not will be seen. There are downsides in both technologies.
A couple of articles:
http://www.acsh.org/news/2020/11/23/comparing-covid-vaccines-pfizer-vs-moderna-vs-astrazenecaoxford-15170
http://cen.acs.org/pharmaceuticals/vaccines/Adenoviral-vectors-new-COVID-19/98/i19
Honestly, it makes me want to wait and see who keels over, and after what! sorry...
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