• For those aged 10 to 14 years total tests increased from 204 in 2006 to peak at 5211 in 2011. The percentage that were by PCR rose from 17.2% to 86.5% in 2012, but continued a decrease compared with younger age groups. Tests by serology increased compared with younger age groups with a range of 165 to 666 while tests by culture were almost imperceptible.