Scenarios for children six months to four years who:
- have had no doses, or
- have previously received dose(s) of COVID-19 mRNA vaccine.
| No Previous Dose(s) Received | ||||
|---|---|---|---|---|
| Dose 1 | Time between doses | Dose 2 | Time between doses | Dose 3 |
| Moderna XBB | Rec: 56 days Min: 21 days | Moderna XBB | n/a | n/a |
| Pfizer XBB | Rec: 56 days Min: 21 days | Pfizer XBB | Rec: 56 days Min: 56 days | Pfizer XBB |
| Previous Dose(s) Received | ||||
|---|---|---|---|---|
| Dose 1 | Time between doses | Dose 2 | Time between doses | Dose 3 |
| Monovalent or Bivalent Moderna | Rec: 56 days Min: 28 days | Moderna XBB | n/a | n/a |
| Monovalent or Bivalent Moderna | Rec: 56 days Min: 28 days | Pfizer XBB | Rec: 56 days Min:56 days | Pfizer XBB |
| Monovalent Pfizer | Rec: 56 days Min: 21 days | Monovalent Pfizer | Rec: 56 days Min: 28 days | Moderna XBB |
| Monovalent Pfizer | Rec: 56 days Min: 21 days | Pfizer XBB | Rec: 56 days Min: 56 days | Pfizer XBB |
| Monovalent Pfizer | Rec: 56 days Min: 21 days | Monovalent Pfizer | Rec: 56 days Min: 56 days | Moderna XBB |
| Monovalent Pfizer | Rec: 56 days Min: 21 days | Monovalent Pfizer | Rec: 56 days Min: 56 days | Pfizer XBB |