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.
In-ground vinyl-liner swimming pool (12' x 24' = 288 sq.ft.). The Total Cost shown above includes the five-man crew that will be on the job a total of 300 man-hours, or seven to eight days. These costs start at roughly $400, and can easily reach well into the thousands. 2  Chemicals-between the chlorine, pH testing strips, and other materials, the average pool owner spends roughly $80 per month for above-ground swimming pools and $95 per month for in-ground swimming pools.