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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Some broadcasters prefer streaming because itâs hard for most users to save the content and distribute it illegally. How does it work? Streaming is a relatively recent development, because your broadband connection has to run fast enough to show the data in real time. Files encoded for streaming are often highly compressed to use as little bandwidth as possible.