What is the single season highest batting average of any pitcher in MLB history?   Since 1973, the highest single season batting average by a pitcher was in 1993 when Orel Hershiser hit .356 (26 for 73) for the Dodgers. I was not able to find a list ofâ¦ batting averages pre 1973 but I know there has to be one on the Web somewhere.
Causes. Pertussis, a respiratory illness commonly known as whooping cough, is a very contagious disease caused by a type of bacteria called Bordetella pertussis.
Whooping cough is caused by a type of bacteria called Bordetella pertussis (this is why the illness is sometimes called pertussis). This bacteria damages the lining of the nose, throat and breathing tubes (trachea and bronchi) and causes the coughing.Children get the bacteria from someone who is infected with it.hooping cough is caused by a type of bacteria called Bordetella pertussis (this is why the illness is sometimes called pertussis). This bacteria damages the lining of the nose, throat and breathing tubes (trachea and bronchi) and causes the coughing.