“They going to test it on 16 mice this time? Just to be sure?”
What is your problem?
FACT: the Omicron mRNA variant vaccine that is now in circulation was approved by the FDA after “successful testing on 8 mice”
https://www.independentsentinel.com/yes-the-fda-approved-the-new-mrna-booster-on-data-from-8-mice/
Caveat Emptor.
Poor little mice don’t deserve to die.
Unless my cat kills them. That’s considered a natural death.