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Validation of a binary ethylenimine (BEI) inactivation procedure for biosafety treatment of foot-and-mouth disease viruses (FMDV), vesicular stomatitis viruses (VSV), and swine vesicular disease virus (SVDV). 2021

Ping Wu, and Yelitza Y Rodríguez, and Benjamin J Hershey, and Yadata Tadassa, and Kimberly A Dodd, and Wei Jia
Foreign Animal Disease Diagnostic Laboratory, National Veterinary Services Laboratories, Animal and Plant Health Inspection Service, United States Department of Agriculture, Plum Island Animal Disease Center, 40550 Route 25, Orient Point, NY 11957, USA. Electronic address: ping.wu@usda.gov.

Binary ethylenimine (BEI) has been widely used as a virucide to inactivate viruses. For regulatory exclusion of a select agent, the United States Federal Select Agent Program (FSAP) requires an inactivation procedure that renders a select agent non-viable but allows the select agent to retain antigenic characteristics for future use must be validated, and the inactivated agent must be confirmed by a viability testing. In this curve-based validation study, we examined impacts of BEI concentration, treatment temperature, and time on our in-house inactivation procedures of Foot-and-Mouth Disease Virus (FMDV), Vesicular Stomatitis Virus (VSV), and Swine Vesicular Disease Virus (SVDV). The inactivation efficacy was confirmed by virus titration and 3 consecutive blind passages on the monolayers of susceptible cells. A linear correlation between the virus titer reduction and BEI concentration, treatment time, and temperature was established. The results confirmed our in-house BEI inactivation procedure of two doses of 1.5 mM BEI treatment at 37 °C, 1st dose for 24 h, then 2nd dose for 6 more hours for a total of 30 h BEI contact time, can ensure complete inactivation of FMDV, VSV, and SVDV.

UI MeSH Term Description Entries
D003264 Containment of Biohazards Physical and biological barriers to the spread of potentially hazardous biologically active agents such as bacteria, viruses, recombinant nucleotides, or contaminated bio-specimens. Biohazards Containment,Biohazard Containment,Biological Containment,Biosafety,Containment, Biologic,Physical Containment,Biologic Containment,Containment, Biohazard,Containment, Biohazards,Containment, Biological,Containment, Physical
D005536 Foot-and-Mouth Disease A highly infectious disease caused by FOOT AND MOUTH DISEASE VIRUS that affects mammals of the ARTIODACTYLA order (CATTLE; SHEEP; GOATS; and PIGS) and is characterized by high fever followed by the appearance of blisters inside the mouth and on the feet. Foot and Mouth Disease,Disease, Foot-and-Mouth,Diseases, Foot-and-Mouth,Foot-and-Mouth Diseases
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001388 Aziridines Saturated azacyclopropane compounds. They include compounds with substitutions on CARBON or NITROGEN atoms. Ethyleneimines,Azacyclopropanes, Saturated,Dimethyleneimines,Saturated Azacyclopropanes
D013552 Swine Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA). Phacochoerus,Pigs,Suidae,Warthogs,Wart Hogs,Hog, Wart,Hogs, Wart,Wart Hog
D013553 Swine Diseases Diseases of domestic swine and of the wild boar of the genus Sus. Disease, Swine,Diseases, Swine,Swine Disease
D014721 Vesicular stomatitis Indiana virus The type species of VESICULOVIRUS causing a disease symptomatically similar to FOOT-AND-MOUTH DISEASE in cattle, horses, and pigs. It may be transmitted to other species including humans, where it causes influenza-like symptoms. Vesicular stomatitis-Indiana virus
D054243 Vesicular Stomatitis A viral disease caused by at least two distinct species (serotypes) in the VESICULOVIRUS genus: VESICULAR STOMATITIS INDIANA VIRUS and VESICULAR STOMATITIS NEW JERSEY VIRUS. It is characterized by vesicular eruptions on the ORAL MUCOSA in cattle, horses, pigs, and other animals. In humans, vesicular stomatitis causes an acute influenza-like illness. Stomatitis, Vesicular,Stomatitides, Vesicular,Vesicular Stomatitides
D029544 Foot-and-Mouth Disease Virus The type species of APHTHOVIRUS, causing FOOT-AND-MOUTH DISEASE in cloven-hoofed animals. Several different serotypes exist. Foot and Mouth Disease Virus,Foot-and-Mouth Disease Viruses
D029822 Enterovirus B, Human A species of ENTEROVIRUS infecting humans and containing 36 serotypes. It is comprised of all the echoviruses and a few coxsackieviruses, including all of those previously named coxsackievirus B. Bornholm Disease Virus,Coxsackievirus A9, Human,Echoviruses,Pleurodynia Virus,Coxsackie A9 Virus,Coxsackie B Viruses,Coxsackieviruses B,Echo Viruses,Human Coxsackievirus A9,Human Enterovirus B,Swine Vesicular Disease Virus,A9 Viruses, Coxsackie,Coxsackie A9 Viruses,Coxsackie B Virus,Disease Virus, Bornholm,Echo Virus,Echovirus,Pleurodynia Viruses,Virus, Bornholm Disease,Virus, Coxsackie A9,Virus, Coxsackie B,Viruses, Coxsackie A9

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