Answer
A two-hour interval is needed between Vaxchora and oral typhoid vaccine Ty21a gastro-resistant capsules because Vaxchora’s accompanying buffer may affect the capsules’ transit through the gastrointestinal tract.
Sources for this answer
- Vaxchora effervescent powder and powder for oral suspensionBavarian Nordic UK Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 2Document updated
Sources checked