Of the 212 patients , 101 were positive for RSV
The frequency of HCoV - NL63 infection increased from 1 % in 2003 - 2004 to 10 % in 2004 - 2005 .
Of the 212 patients , 101 were positive for RSV ( 48 % ) , 22 ( 10 % ) were positive for hMPV , and 12 ( 6 % ) were positive for HCoV - NL63 .
The frequency of HCoV - NL63 infection increased from 1 % in 2003 - 2004 to 10 % in 2004 - 2005 .