The cost of colds in Canada is enormous, say researchers. The researchers reviewed more than 80 published clinical trials, studies and research projects representing the work of over 300 researchers from more than 100 universities and institutions.
In their report entitled "Why the Common Cold and Flu Matter", the researchers found:
- 1/3 of Canadian adults have a sore throat, cold or flu in any given month. More common in women than men.
- 2/3 of Canadian adults experiencing the first signs of a cold or flu used some type of self-treatment. Women were more likely to self treat and also consult a doctor as compared to men.
- 1/5 of Canadian adults ignore symptoms altogether
- Cough/cold remedies are the second most commonly usedmedications in Canada.
- Canadians spend more than $300 million a year on over-the-counter cold and flu treatments and prescription antibiotics which, for the most part, neither "...ameliorate symptoms nor change the course of the illnesses."
Queen's researchers say that school-aged children and young adults play a significant role in the spread of respiratory illnesses. In the U.S. the Centre for Disease Control and Prevention pegs missed school days as a result of colds at 22 million a year. Studies by SDI, a research agency that tracks colds and flu in North America, have shown that there is an annual spike in colds and flu within the first two weeks of students' return to school in September, something supported by Queen's researchers who cite a sharp increase in pediatric asthma cases as a result of rhinovirus infection, the primary cause of colds.
They point out that young children with respiratory symptoms play a major role in spreading colds to family and friends and, "...school-age children have been shown to introduce rhinovirus infections into their families 3 times more frequently than working adults."But adults also play a significant role in the spread of infection. Queen's researchers found that the U.S. work force goes to work rather than calling in sick resulting in substantial losses of productivity and increased costs:
- 83% of participants in a U.S. survey on work and illness say they continued to attend work or school while experiencing symptoms of an influenza-like illness.
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