title: Caveat: poliovirus may be hiding under other labels.
authors.affiliation: WHO Collaborating Centre for Poliovirus Reference and Research, Enterovirus Laboratory, Department of Microbiology, National Public Health Institute (KTL), 00300, Helsinki, Finland. carita.savolainen@ktl.fi <carita.savolainen@ktl.fi>
authors.forename: Carita
authors.initials: C
authors.lastname: Savolainen
authors.forename: Tapani
authors.initials: T
authors.lastname: Hovi
mesh_terms: D004340:Drug Contamination; D017955:Poliovirus / Q000302:isolation & purification*