Yah. But they can also carry and spread the virus. Vaccination doesn't make you clean(In this case) as we have already seen. It also increases the selection pr

Yah. But they can also carry and spread the virus. Vaccination doesn't make you clean(In this case) as we have already seen. It also increases the selection pressure, thereby creating even more new mutations(In this case). Isn't that hot? Always on the run for another shot! Ka-Ching!