Vaccines. As in every medication will go through this test where you give some meds to a group and none to another so you can determine if your new medication is any good.
Don’t know why you are being downvoted, it’s a genuine question.
Just generally the control groups for a vaccines effectiveness when given to the public, example, comparing the spread of a virus to those vaccinated and unvaccinated, or comparing the severity of symptoms between the 2 groups.
I don’t get it, control group for which experiment?
Vaccines. As in every medication will go through this test where you give some meds to a group and none to another so you can determine if your new medication is any good.
Don’t know why you are being downvoted, it’s a genuine question. Just generally the control groups for a vaccines effectiveness when given to the public, example, comparing the spread of a virus to those vaccinated and unvaccinated, or comparing the severity of symptoms between the 2 groups.
Life