• What are the indications for evaluating a patient with cough for pertussis? 

    Brown, Maureen O'Reilly; St. Anna, Leilani (Family Physicians Inquiries Network, 2005)
    Pertussis should be considered in infants with apnea or severe coughing illnesses of any duration, and in older children or adults with prolonged cough (eg, longer than 2 weeks), especially if accompanied by inspiratory ...