Source: http://www.moh.gov.sg/mohcorp/mediaforums.aspx?id=22466, Reply from MOH to letter in The Straits Times Forum Page 4 Jul 2009

Mr Denis Distant asked about H1N1 testing and the associated charges (“What’s free, exactly?”, ST, 3 Jul).

To assess if a person has been infected by H1N1, several tests have to be done: first to detect influenza A, then its subtype [...]