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Updated: May 16, 2026

Titration of Human Coronaviruses Using an Immunoperoxidase Assay
Published on: April 28, 2008
Assays for laboratory confirmation of novel human coronavirus (hCoV-EMC) infections
V M Corman1, M A Müller, U Costabel
1Institute of Virology, University of Bonn Medical Centre, Bonn, Germany.
Abstract:
We present a rigorously validated and highly sensitive confirmatory real-time RT-PCR assay (1A assay) that can be used in combination with the previously reported upE assay. Two additional RT-PCR assays for sequencing are described, targeting the RdRp gene (RdRpSeq assay) and N gene (NSeq assay), where an insertion/deletion polymorphism might exist among different hCoV-EMC strains. Finally, a simplified and biologically safe protocol for detection of antibody response by immunofluorescence microscopy was developed using convalescent patient serum.
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