Casabal G, Ocampo A, van Hemert PA, Mangay-Angara A, Gudani L, Nagel J, Cohen H, Fulgencio L, Sumpaico J, Hagenaars AM
In a controlled field-trial in infants in the Philippines, a two-dose schedule with an interval of 6 months between injections using a concentrated adsorbed DPT-vaccine was evaluated. The serologic response against the three components in the vaccine was satisfactory, . . .