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.
Chemicals. The cost for pool chemicals averages between $50 and $100 per month depending on your climate, pool size and frequency of use. Above-ground pools of a similar size will cost the same as in-ground counterparts.Opening and Closing A Pool. Hiring a professional to open and close your pool each season will run approximately $150-$300.bove-ground pools of a similar size will cost the same as in-ground counterparts. Opening and Closing A Pool. Hiring a professional to open and close your pool each season will run approximately $150-$300.