21 CFR § 866.3240 - Equine encephalomyelitis virus serological reagents.
---
identifier: "/us/cfr/t21/s866.3240"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 866.3240 - Equine encephalomyelitis virus serological reagents."
title_number: 21
title_name: "Food and Drugs"
section_number: "866.3240"
section_name: "Equine encephalomyelitis virus serological reagents."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "H"
subchapter_name: "MEDICAL DEVICES"
part_number: "866"
part_name: "IMMUNOLOGY AND MICROBIOLOGY DEVICES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 351, 360, 360c, 360e, 360j, 360 371."
regulatory_source: "47 FR 50823, Nov. 9, 1982, unless otherwise noted."
cfr_part: "866"
---
# 866.3240 Equine encephalomyelitis virus serological reagents.
(a) *Identification.* Equine encephalomyelitis virus serological reagents are devices that consist of antigens and antisera used in serological tests to identify antobodies to equine encephalomyelitis virus in serum. The identification aids in the diagnosis of diseases caused by equine encephalomyelitis viruses and provides epidemiological information on these viruses. Equine encephalomyelitis viruses are transmitted to humans by the bite of insects, such as mosquitos and ticks, and may cause encephalitis (inflammation of the brain), rash, acute arthritis, or hepatitis.
(b) *Classification.* Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to § 866.9.
[47 FR 50823, Nov. 9, 1982, as amended at 65 FR 2311, Jan. 14, 2000]