Causes. Pertussis, a respiratory illness commonly known as whooping cough, is a very contagious disease caused by a type of bacteria called Bordetella pertussis.ransmission. Pertussis is a very contagious disease only found in humans. It is spread from person to person. People with pertussis usually spread the disease to another person by coughing or sneezing or when spending a lot of time near one another where you share breathing space.
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How MongoDB Is Changing the Business of Big Data. Modern data is vast, unstructured, and sometimes unwieldy. Itâs big and complicated, and we have big expectations for what it can doâand trying to store, process, and analyze all of it has led to the development of NoSQL databases.