Detection of influenza viruses by culture and by the SD Bioline rapid antigen test in conjunction with an epidemic curve with two peaks of influenza activity based on the report from the KISS for the 2005-to-2006 season., influenza A reported by the KISS;, influenza B reported by the KISS; □, influenza A virus detected by culture; , influenza B virus detected by culture; —, influenza A virus detected by the SD Bioline test; ----, influenza B virus detected by the SD Bioline test.