When booster shot (richiami) will be started, their number should be held separately from the first shot count. Something like this
First shots
Booster shots
Total doses received
%
9000
1000
20000
50%
(in this example 20000 doses has beeen received in total, of which 9000 has been used as first shots, 1000 has been used as booster shots. 50% is based on the sum of first and booster shots)
When booster shot (richiami) will be started, their number should be held separately from the first shot count. Something like this
(in this example 20000 doses has beeen received in total, of which 9000 has been used as first shots, 1000 has been used as booster shots. 50% is based on the sum of first and booster shots)