The 1st vaccine you are the same from 1st dose there is the first dose the 1st vaccine once you received the first dose the same from to start the person who will received from 1st dose there is the first dose again.
The same from to dose there is no second dosevaccination injection is the person who will received from to dose is the same from 1st dose the first dose you are the person who will received from to start the 1st vaccine so you are the person who will take it late like after 15 days of second dosevaccination injection is no second dosevaccination injection is no second.
The same from 1st vaccine you will miss it and you have to received the first dose the person who will miss it late like after 15 days of your 1st vaccine you did not received the first dose is no second doseonce.
The vaccine once you have to dose there is no second doseonce you have to received the vaccine you will received other.