Answer
Twinrix Adult pre-filled syringes are listed in packs of 1, 10 and 25, with or without needles; not all pack sizes may be marketed.
Sources for this answer
- Twinrix Adult Vaccine, suspension for injection in pre-filled syringeGlaxoSmithKline UK · emc · SmPC §6.5 Nature and contents of container · Version 23Document updated
Sources checked