VIPcheck poor and irregular performance warning

VIPcheck.In May, 2022, the EUCAST development laboratory for fungi, noticed variable performance with several batches of VIPcheck (Mediaproducts BV) azole screening agar plates (see E.Def 10.1) for the detection of azole resistance inAspergillus fumigatus. Use of these and future batches require extensive QC to ensure adequate separation of azole susceptible and resistant isolates until the issues is solved by the manufacturer.More detail is found in the pdf file.