4 ms·

yes because people in the control group would get sick. Once a certain amount of people get sick they see how many of those people were in control vs vaccine gr

yes because people in the control group would get sick. Once a certain amount of people get sick they see how many of those people were in control vs vaccine group. In your hypothetical, 100% of the sick people would be from the control group.

jedberg 6y ago
Ah this is true. Thanks. I was thinking that some number of vaccinated people had to get sick.
- StavrosK 6y ago
  The only issue is that it'd take twice as long to conclude the trial, since you thought that you had X vulnerable people but you only had X/2.