2 ms·
I see. So the 23% does not suggest that, e.g. there's some minority of parasites that are "immune" already.
by abeppu 6y ago
I see. So the 23% does not suggest that, e.g. there's some minority of parasites that are "immune" already.
- jjk166 6y agoNot necessarily - vaccine effectiveness also relies on the person's immune system actually developing the needed antibodies. Some fraction of people simply won't. This is also why vaccine effectiveness goes up with multiple doses - sometimes the first one doesn't take but the second one does.