Vaccine Advances against Venezuelan, Eastern, and Western Equine Encephalitis Viruses

Vaccinations are a crucial intervention in combating infectious diseases. The three neurotropic Alphaviruses, Eastern (EEEV), Venezuelan (VEEV), and Western (WEEV) equine encephalitis viruses, are pathogens of interest for animal health, public health, and biological defense. In both equines and hum...

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Main Authors: Zachary R. Stromberg, Will Fischer, Steven B. Bradfute, Jessica Z. Kubicek-Sutherland, Peter Hraber
Format: Article
Language:English
Published: MDPI AG 2020-06-01
Series:Vaccines
Subjects:
Online Access:https://www.mdpi.com/2076-393X/8/2/273
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author Zachary R. Stromberg
Will Fischer
Steven B. Bradfute
Jessica Z. Kubicek-Sutherland
Peter Hraber
author_facet Zachary R. Stromberg
Will Fischer
Steven B. Bradfute
Jessica Z. Kubicek-Sutherland
Peter Hraber
author_sort Zachary R. Stromberg
collection DOAJ
description Vaccinations are a crucial intervention in combating infectious diseases. The three neurotropic Alphaviruses, Eastern (EEEV), Venezuelan (VEEV), and Western (WEEV) equine encephalitis viruses, are pathogens of interest for animal health, public health, and biological defense. In both equines and humans, these viruses can cause febrile illness that may progress to encephalitis. Currently, there are no licensed treatments or vaccines available for these viruses in humans. Experimental vaccines have shown variable efficacy and may cause severe adverse effects. Here, we outline recent strategies used to generate vaccines against EEEV, VEEV, and WEEV with an emphasis on virus-vectored and plasmid DNA delivery. Despite candidate vaccines protecting against one of the three viruses, few studies have demonstrated an effective trivalent vaccine. We evaluated the potential of published vaccines to generate cross-reactive protective responses by comparing DNA vaccine sequences to a set of EEEV, VEEV, and WEEV genomes and determining the vaccine coverages of potential epitopes. Finally, we discuss future directions in the development of vaccines to combat EEEV, VEEV, and WEEV.
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spelling doaj.art-bb89773858cd401281802fc99d12730d2023-11-20T02:44:12ZengMDPI AGVaccines2076-393X2020-06-018227310.3390/vaccines8020273Vaccine Advances against Venezuelan, Eastern, and Western Equine Encephalitis VirusesZachary R. Stromberg0Will Fischer1Steven B. Bradfute2Jessica Z. Kubicek-Sutherland3Peter Hraber4Physical Chemistry and Applied Spectroscopy, Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM 505, USATheoretical Biology and Biophysics, Los Alamos National Laboratory, Los Alamos, NM 505, USACenter for Global Health, Division of Infectious Diseases, Department of Internal Medicine, University of New Mexico, Albuquerque, NM 505, USAPhysical Chemistry and Applied Spectroscopy, Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM 505, USATheoretical Biology and Biophysics, Los Alamos National Laboratory, Los Alamos, NM 505, USAVaccinations are a crucial intervention in combating infectious diseases. The three neurotropic Alphaviruses, Eastern (EEEV), Venezuelan (VEEV), and Western (WEEV) equine encephalitis viruses, are pathogens of interest for animal health, public health, and biological defense. In both equines and humans, these viruses can cause febrile illness that may progress to encephalitis. Currently, there are no licensed treatments or vaccines available for these viruses in humans. Experimental vaccines have shown variable efficacy and may cause severe adverse effects. Here, we outline recent strategies used to generate vaccines against EEEV, VEEV, and WEEV with an emphasis on virus-vectored and plasmid DNA delivery. Despite candidate vaccines protecting against one of the three viruses, few studies have demonstrated an effective trivalent vaccine. We evaluated the potential of published vaccines to generate cross-reactive protective responses by comparing DNA vaccine sequences to a set of EEEV, VEEV, and WEEV genomes and determining the vaccine coverages of potential epitopes. Finally, we discuss future directions in the development of vaccines to combat EEEV, VEEV, and WEEV.https://www.mdpi.com/2076-393X/8/2/273AlphavirusantigensDNA vaccineEastern equine encephalitis virus (EEEV)vaccineVenezuelan equine encephalitis virus (VEEV)
spellingShingle Zachary R. Stromberg
Will Fischer
Steven B. Bradfute
Jessica Z. Kubicek-Sutherland
Peter Hraber
Vaccine Advances against Venezuelan, Eastern, and Western Equine Encephalitis Viruses
Vaccines
Alphavirus
antigens
DNA vaccine
Eastern equine encephalitis virus (EEEV)
vaccine
Venezuelan equine encephalitis virus (VEEV)
title Vaccine Advances against Venezuelan, Eastern, and Western Equine Encephalitis Viruses
title_full Vaccine Advances against Venezuelan, Eastern, and Western Equine Encephalitis Viruses
title_fullStr Vaccine Advances against Venezuelan, Eastern, and Western Equine Encephalitis Viruses
title_full_unstemmed Vaccine Advances against Venezuelan, Eastern, and Western Equine Encephalitis Viruses
title_short Vaccine Advances against Venezuelan, Eastern, and Western Equine Encephalitis Viruses
title_sort vaccine advances against venezuelan eastern and western equine encephalitis viruses
topic Alphavirus
antigens
DNA vaccine
Eastern equine encephalitis virus (EEEV)
vaccine
Venezuelan equine encephalitis virus (VEEV)
url https://www.mdpi.com/2076-393X/8/2/273
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