# Microbiology Devices; Reclassification of Herpes Simplex Virus Types 1 and 2 Serological Assays; Confirmation of Effective Date
> **Food and Drug Administration** · Direct final rule; confirmation of effective date. · Published 2010-09-28 · Effective 2009-12-07 · 75 FR 59611
## Document
- **Document number:** 2010-23638
- **Category:** other
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 75 FR 59611
- **CFR reference:** 21 CFR 866
- **Publication date:** 2010-09-28
- **Effective date:** 2009-12-07
- **HHS docket:** Docket No. FDA-2009-N-0344
## Abstract

The Food and Drug Administration (FDA) is confirming the effective date of December 7, 2009, for the direct final rule that appeared in the Federal Register of August 25, 2009 (74 FR 42773). The direct final rule corrects the regulation classifying herpes simplex virus (HSV) serological assays by removing the reference to HSV serological assays other than type 1 and type 2. This document confirms the effective date of the direct final rule.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/09/28/2010-23638/microbiology-devices-reclassification-of-herpes-simplex-virus-types-1-and-2-serological-assays)
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