3 ms·
Natural infection was one event vs. natural infection + vaccine being two events separated by a time interval. It may be that we are stumbling upon a natural me
by angelzen 5y ago
Natural infection was one event vs. natural infection + vaccine being two events separated by a time interval. It may be that we are stumbling upon a natural mechanism that makes recurring infections almost impossible past 2nd event.
- dougmwne 5y agoIt's possible, but I am not aware of any evidence for or against that theory at this point.