pilotforsøg viste, at for 63 spædbørn, vaccineret i overensstemmelse med et 6, 10, 14 ugers program, havde > 80% stadig antistoffer mod difteri, stivkrampe, HB’ er og PRP ved niveauer der betragtes er
Results from one pilot study showed that, for 63 infants primed according to a 6, 10, 14 week schedule, > 80% still had antibodies to lP