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.
There are 31 pitchers of beer in a half-barrel, assuming one pitcher is 64 ounces, and one barrel is 31 gallons. One gallon is 128 ounces, so a half-barrel is 1,984 ounces of beer. There are 62 small pitchers in one half-barrel of beer if a small pitcher is 32 ounces; a half-barrel is equivalent to 165 bottles of beer at 12 ounces each. Continue Reading.