Qiagen DNA Extraction Kits for Sample Preparation for Legionella PCR Are Not Suitable for Diagnostic Purposes

Several reports describe the use of Qiagen columns as part of a Legionella PCR ([1][1], [2][2]). However, workers in two laboratories in The Netherlands have found that the Qiagen columns are contaminated with Legionella species. Nucleic acid sample preparation kits are commercially available from