What age group has the highest number of hay fever sufferers?
- 0-4 years
- 5-9 years
- 10-17 years
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Answer: C. 10-17 years
During 2003--2005, the percentage of children with hay fever increased with age; children aged 10--17 years were nearly three times as likely to have hay fever than children aged 0--4 years.
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