A formula of a compound that shows the relationship of the atoms in a molecule. The atoms are shown joined by valence bonds (e.g., H-O-H) as opposed to the empirical formula (H2O).
Causes. Pertussis, a respiratory illness commonly known as whooping cough, is a very contagious disease caused by a type of bacteria called Bordetella pertussis.
Pertussis. by Melissa Clyburn. Pertussis, a highly contagious disease also known as whooping cough, causes uncontrollable, violent coughing (1). causes the disease, and is not found in any animal or environmental reservoirs, but resides in the mouth, nose, and throat of humans (1).6). was named after its discoverer, Jules Bordet, who, in 1906, isolated the bacterium (7). Pertussis is characterized by a series of stages. The first stage, known as the catarrhal stage, mimics the common cold, and is classified by a runny nose, low fever, sneezing, and mild cough (4).