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Title
Trends in pertussis among infants in the United States, 1980-1999.
Authors
Tanaka, Masahiro; Vitek, Charles R; Pascual, F Brian; Bisgard, Kristine M; Tate, Jacqueline E; Murphy, Trudy V
Abstract
Reported cases of pertussis among adolescents and adults have increased since the 1980s, despite increasingly high rates of vaccination among infants and children. However, severe pertussis morbidity and mortality occur primarily among infants.