the problem is more complex as a person can be unvaxxed for three months of the year, after one shot, then 2 then three for the second half of the year.
the problem is more complex as a person can be unvaxxed for three months of the year, after one shot, then 2 then three for the second half of the year.
the problem is more complex as a person can be unvaxxed for three months of the year, after one shot, then 2 then three for the second half of the year.