Disse ikke- infektiøse stoffer beskytter spædbørn mod invasive infektioner forårsaget af Haemophilus influenzae type b (hjerne - og rygmarvsbetændelse, infektioner i blodet osv.) og mod infektioner forårsaget af alle kendte subtyper af hepatitis B- virus ved at stimulere immunforsvaret (den immunogene aktivitet) mod disse infektioner.
These non- infectious substances protect infants against invasive disease caused by Haemophilus influenzae type b (infection of brain and spinal cord tissues, infection of the blood, etc.) and against infection caused by all known subtypes of hepatitis B virus, by stimulating an immune response (immunogenic activity) against these infections.