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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An error message appeared when Instagram users automatically logged out of the app try to log back in on July 15, 2015. (Photo: PIX11 News) NEW YORK â Instagram was down for many users Thursday afternoon, failing to update feeds or automatically logging them out altogether. The issue appears to have begun shortly after 1 p.m., according to Downdetector, an online tool that pulls data from users reporting problems with digital services.