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One additional boost is a second boost, also known as the fourth dose.
It is necessary in high-risk groups. especially those over the age of 50
and or have a congenital disease including what we call 608
in groups with chronic diseases such as kidney disease, cancer
or an immune-related disease that causes vaccination and a poor response
This group is absolutely necessary to get 4 needles.
in high-risk groups who will come into contact with high-intensity patients such as medical personnel
It is another group that has a need for vaccination 4.