Vaccines have been quite effective at preventing cases of COVID-19 that lead to severe illness and death, but none has proved reliable at blocking transmission of the virus...
The result is that even if vaccination were universal, the coronavirus would probably continue to spread.
Vaccines have been quite effective at preventing cases of COVID-19 that lead to severe illness and death, but none has proved reliable at blocking transmission of the virus...
The result is that even if vaccination were universal, the coronavirus would probably continue to spread.