happen. You have even posted before.
http://www.tigerboard.com/boards/view.php?message=17578810
"
In mRNA research that Pfizer used – a candidate study on mRNA with rhesus macaques monkeys using BNT162b2 mRNA and in that study all the monkeys developed pulmonary inflammation but the researchers considered the risk low as these were young healthy monkeys from the age of 2-4."