Effectiveness of routine Tdap booster wanes in adolescents
Saturday, February 6, 2016 - 16:01
in Health & Medicine
A new study found that the Tdap booster vaccine provides moderate protection against whooping cough during the first year after vaccination, but its effectiveness wanes to less than 9 percent after four years among teenagers who have received only a newer form of the whooping cough vaccine (acellular pertussis vaccine) as infants and children.