Crespo, Inma; Todelo, Diana; Soldevila, Núria; Jordán García, Iolanda; Solano, Rubén; Castilla, Jesús; Caylà i Buqueras, Joan A.; Godoy i García, Pere; Muñoz-Almagro, Carmen; Domínguez García, Àngela; Working Group on the Transmission of Pertussis in Households