Approved Waiver No Longer Required For New York Physicians Coppe Laboratories July 6, 2021 0000 In December of 2020, Coppe Laboratories was granted a license by the New York State Department of Health (NYSDOH) to offer Powassan Virus (POWV) and West Nile Virus (WNV) antibody testing as well as Immunohistochemistry (IHC) for HHV-6. Read More Categorized: News Tagged: HHV-6 IHC, HHV-6 IHC testing, Immunohistochemistry, Powassan virus, POWV, West Nile Virus, WNV