Randomised controlled trial showed long-term efficacy, immunogenicity and safety of varicella vaccines in Norwegian and Swedish children.
Giacomo CasabonaMd Ahsan HabibMichael PoveyMarianne A Riise BergsakerCarl-Erik FlodmarkKetil Arne EspnesCamilla TøndelSven-Arne SilfverdalPublished in: Acta paediatrica (Oslo, Norway : 1992) (2021)
Consistent with overall study results, high efficacy against varicella and acceptable safety profiles of the two varicella vaccines were observed in Norwegian and Swedish populations. These findings highlight the benefits of varicella vaccines, particularly when administered as a two-dose schedule.