Bordetella pertussis and Whooping Cough (page 3) (This chapter has 3 pages) Â© Kenneth Todar, PhD The Whooping Cough Vaccine The development of the whooping cough vaccine in the 1950s has made whooping cough an uncommon disease in developed countries.ordetella pertussis and Whooping Cough (page 3) (This chapter has 3 pages) Â© Kenneth Todar, PhD The Whooping Cough Vaccine The development of the whooping cough vaccine in the 1950s has made whooping cough an uncommon disease in developed countries.
In Summation-for most inground pool owners, installing a New pool heater (not a replacement, which has a cheaper installation cost), new pool heaters cost between $1500-$3500, depending on type and size. The cost to run a pool heater, with some conservation practices, runs from $0 (solar heater) to over $300 per month.
1 Natural Gas burns about 1 therm per 100,000 BTUâs per hour (British Thermal Units). 2  At the time of this article the cost of gas is about 1.10 per therm.  That means an average pool heater between 300,000 and 400,000 BTUâs will cost anywhere from $3.30 to $4.40 per hour to heat your pool.