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 ta' l-iġjene ġenerali – l-ewwelnett provvista ta' l-ilma nadif kollu – il-vaċċini jirrapreżentaw l-aktar intervent tas-saħħa pubblika effettiv u li jiffranka l-ispejjeż.