The bacterium Bordetella pertussis is the primary whooping cough cause. There are no other causes, and the infection follows no distinct seasonal pattern. People may become infected with the bacteria by breathing in tiny droplets released into the air by an infected person's cough or sneeze.
There are approximately 1,892.7 milliliters in 1 half-gallon of volume. That works out to 3,785.4 milliliters per gallon, 1.892 liters per half-gallon and 3.785 liters per gallon.
Posted in Short answers By admin On October 7, 2014. A half keg, also known as a quarter barrel or more commonly called a pony keg, is a beer keg which contains around 7.75 gallons when full. It is half the size of a standard keg, which is 15.5 gallons. It is also a quarter of a barrel, which is approximately 31 gallons.