4 ms·
No, they showed an antibody response in the spring. That's the easy part. This is the real-deal clinical trial: they gave tens of thousands of people the vaccin
by comicjk 6y ago
No, they showed an antibody response in the spring. That's the easy part. This is the real-deal clinical trial: they gave tens of thousands of people the vaccine candidate, tens of thousands a placebo, and then counted the resulting cases for months, as well as watching for side effects. The 90% reduction is in actual cases.