the approximate rate of the diphtheria and tetanus toxoids and acellular pertussis (dtap) vaccine is 1 per 1,000,000 doses13.
the approximate rate of the diphtheria and tetanus toxoids and acellular pertussis (dtap) vaccine is 1 per 1,000,000 doses13.
vaccine adverse events: separating myth from reality - american family physician
4 hepatitis a cases found in denver; vaccinations stepped up.