Studies We Recommend Reading Pertussis epidemic despite high levels of vaccination coverage with acellular pertussis vaccine. Waning protection following 5 doses of a 3-component diphtheria, tetanus, and acellular pertussis vaccine. Natural measles and mumps infection lowers risk of cardiovascular disease Acellular pertussis vaccination facilitates Bordetella parapertussis infection in a rodent model of bordetellosis The Introduction of Diphtheria-Tetanus-Pertussis and Oral Polio Vaccine Among Young Infants in an Urban African Community: A Natural Experiment Acellular pertussis vaccines protect against disease but fail to prevent infection and transmission in a nonhuman primate model.