[Pollard]

https://cdn.pfizer.com/pfizercom/2020-11/C4591001_Clinical_Protocol_Nov2020.pdf

https://www.modernatx.com/sites/default/files/mRNA-1273-P301-Protocol.pdf

Guess that's why vaxxes are usually tested for years.

[Robert DeLong]

The fact that it was suspected to be a threat in previous cases should have been enough to walk away from its use ever again in any vaccine.