translation.en: After general hygiene improvements – first of all clean water supply – vaccines represent the most effective and cost-saving public health intervention.
translation.mt: Wara t-titjib tal-iġjene ġenerali - l-ewwel nett provvista ta' ilma nadif - il-vaċċini jirrappreżentaw l-intervent tas-saħħa pubblika l-aktar effettiv u l-aktar kost-effikaċi.