Pfizer-BioNTech: Updated 2023–24 COVID-19 Vaccines

Diluent: Use sterile 0.9% sodium chloride (normal saline, preservative free) included in the ancillary supply kit. Do not use bacteriostatic 0.9% sodium chloride or any other diluent.

Route: Intramuscular (IM) injection

Single-Dose Vial (SDV); Multi-Dose Vial (MDV); Manufacturer-Filled Syringe (MFS)