Pregnancy: Adequate human data on use during pregnancy and adequate animal reproduction studies are not available. However, as with all inactivated viral vaccines the risks to the foetus are considered to be negligible. Havrix should be used during pregnancy only when clearly needed.
Lactation: Adequate human data on use during lactation and adequate animal reproduction studies are not available. Although the risk can be considered as negligible, Havrix should be used during lactation only when clearly needed.