VZV, Varicella zoster virus – genotyping

Molecular genotyping of varicella-zoster virus (VZV) to differentiate between wild-type and vaccine strains
Microbiology
Virology
○ VZV positive whole blood, plasma, CSF, lesion swab, fluid specimen ○ VZV viral isolate from viral culture
Other Information
○ Immunization with attenuated VZV vaccine within the last month or when virus strain reactivation is suspected
○ Consult medical microbiologist prior to ordering/requesting
Refer to section Sample Processing / Delivery
NML (VZV Vaccine Strain Differentiation)
○ 7 days
416-586-4800 extension 4432
YES
○ The specimen will be referred to the National Microbiology Laboratory for testing