Causes. Pertussis, a respiratory illness commonly known as whooping cough, is a very contagious disease caused by a type of bacteria called Bordetella pertussis.hile pertussis vaccines are the most effective tool we have to prevent this disease, no vaccine is 100% effective. If pertussis is circulating in the community, there is a chance that a fully vaccinated person, of any age, can catch this very contagious disease.
1 Do-it-yourself pool cleaning runs $20-$100 per month for chemicals during the summer after initial purchase of pool tools including a vacuum head and hose from $50, and a maintenance kit with a wall brush, leaf skimmer, test kits and telescopic pole for around $60. Regular filter cleaning costs around $60-$65. 2  Power vacuuming is intense cleaning for a neglected pool and runs $55-$124 per hour. 3  Pools that are properly covered during the winter will require an opening service that prepares the pool for summer use.
Monthly inground pool costs vary. Your expenses will be influenced by the size of your pool, how often you use it, the type of liner, your habits and any optional features that you add. The larger the pool, the larger your monthly expenses.ccording to Dave Cook, president of Supplies Company Pool Corp., the typical cost for pool chemicals is $500 to $800 a year. If you live in a colder climate and need to open the pool at the start of the season and close it in the fall, you can pay another $500 or more.