Pertussis, also known as whooping cough, is a highly contagious respiratory infection. Pertussis causes violent coughing which can make it hard to breath. Pertussis affects babies and young children most commonly and most severely.ertussis, also known as whooping cough, is a highly contagious respiratory infection. Pertussis causes violent coughing which can make it hard to breath. Pertussis affects babies and young children most commonly and most severely.
Legal Definition of credit bureau. : a private business that compiles information on consumers' creditworthiness and provides this information to lenders.
Definition, Examples & More. A âcredit referenceâ is a document that attests to the creditworthiness of a prospective borrower or rental applicant. The most common type of credit reference is a credit report, as it chronicles an individualâs or businessâs credit history. And the most notable credit reports are those from TransUnion, Equifax and Experian.