Table 2.

COVID-19 mRNA vaccines and dosage administration in different ages.

Moderna vaccine
Primary dosages				Bosters dosage
Ages	Type of vaccine	Doses	Injection volume	Type of vaccine	Doses	Inoculation volume
6 month-5 year old	monovalent	25 µg	0.25 ml	bivalent	10 µg	0.2 µg
6–11 year old	monovalent	50 µg	0.5 ml	bivalent	25 µg	0.25 µg
$\ge$12 year old	monovalent	100 µg	0.5 ml	bivalent	50 µg	0.5 µg
Pfizer-BioNTech vaccine
6 months-4 year old (1st&2nddosage)	monovalent	3 µg	0.2	–	–	–
6 month-4 year old (3rd dosage)	bivalent	3 µg	0.2	–	–	–
5–11 year old	monovalent	10 µg	0.3	bivalent	10	0.2
$\ge$12 year old	monovalent	30 µg		bivalent	30	0.3