Answer
Engerix B 20 micrograms hepatitis B vaccine (rDNA) 1 ml pre-filled syringes are listed in packs of 1, 10 and 25, with or without needles, although not all pack sizes may be marketed.
Sources for this answer
- Engerix B 20 micrograms/1 ml Suspension for injection in pre-filled syringe (Adult and Paediatric)GlaxoSmithKline UK · emc · SmPC §6.5 Nature and contents of container · Version 20Document updated
Sources checked