Venezuelan Equine Encephalomyelitis Antibodies in Human Beings of Southeastern Mexico

Mucha-macías, J. De; Sânchez-spindola, I.; Campillo_Sáinz, Carlos

doi:10.4269/ajtmh.1966.15.364

Cited by 7 publications

(6 citation statements)

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“…The human impact of VEE in Mexico was first recognized in the 1960s, when serosurveys conducted in the village of Tlacotalpan, Veracruz state, detected antibodies in seven individuals aged 12–51 years [54]. VEE illness was later associated with VEEV seropositivity in 13 patients from Champoton, Campeche state, in southern Mexico: five died and three developed neurological sequelae [55].…”

Section: Vee Complexmentioning

confidence: 99%

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Endemic Venezuelan Equine Encephalitis in the Americas: Hidden Under The Dengue Umbrella

et al. 2011

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Venezuelan equine encephalitis (VEE) is an emerging infectious disease in Latin America. Outbreaks have been recorded for decades in countries with enzootic circulation, and the recent implementation of surveillance systems has allowed the detection of additional human cases in countries and areas with previously unknown VEE activity. Clinically, VEE is indistinguishable from dengue and other arboviral diseases and confirmatory diagnosis requires the use of specialized laboratory tests that are difficult to afford in resource-limited regions. Thus, the disease burden of endemic VEE in developing countries remains largely unknown, but recent surveillance suggests that it may represent up to 10% of the dengue burden in neotropical cities, or tens-of-thousands of cases per year throughout Latin America. The potential emergence of epizootic viruses from enzootic progenitors further highlights the need to strengthen surveillance activities, identify mosquito vectors and reservoirs and develop effective strategies to control the disease. In this article, we provide an overview of the current status of endemic VEE that results from spillover of the enzootic cycles, and we discuss public health measures for disease control as well as future avenues for VEE research.

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Section: Vee Complexmentioning

confidence: 99%

“…A more complete serosurvey was conducted in four Mexican states on the Gulf coast involving 770 individuals and demonstrated a 3% seroprevalence [54]. In 1963, the first VEEV isolates from Mexico were obtained from sentinel hamsters and mosquitoes in the Sontecomapan region in southeastern Veracruz [56].…”

Section: Vee Complexmentioning

confidence: 99%

Endemic Venezuelan Equine Encephalitis in the Americas: Hidden Under The Dengue Umbrella

et al. 2011

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“…Five deaths were recorded (38% case-fatality rate) and at least 3 surviving individuals developed neurological sequelae. Further studies carried out between 1962–1964 in the southeastern areas of the Gulf Coast, including the States of Quintana Roo, Yucatan, Tabasco and Veracruz, identified VEEV-seropositive individuals (3% seroprevalence) among the 770 individuals tested [9]. However, no clinical cases were documented during these studies.…”

Section: Introductionmentioning

confidence: 90%

“…In Mexico, the earliest recorded evidence of VEEV circulation in the Gulf Coast region came from human sera collected in Tlacotalpan in the State of Veracruz in 1961, where 7 individuals tested seropositive for VEEV by hemagglutination inhibition (HI) assays [9]. Beginning in 1962, VEEV was found to be circulating in the southern Gulf Coast region of Mexico, where deaths, neurological disease, and seropositive individuals were associated with a VEE outbreak in Champotón, Campeche [10].…”

Section: Introductionmentioning

confidence: 99%

Venezuelan Equine Encephalitis Virus Activity in the Gulf Coast Region of Mexico, 2003–2010

et al. 2012

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Venezuelan equine encephalitis virus (VEEV) has been the causative agent for sporadic epidemics and equine epizootics throughout the Americas since the 1930s. In 1969, an outbreak of Venezuelan equine encephalitis (VEE) spread rapidly from Guatemala and through the Gulf Coast region of Mexico, reaching Texas in 1971. Since this outbreak, there have been very few studies to determine the northward extent of endemic VEEV in this region. This study reports the findings of serologic surveillance in the Gulf Coast region of Mexico from 2003–2010. Phylogenetic analysis was also performed on viral isolates from this region to determine whether there have been substantial genetic changes in VEEV since the 1960s. Based on the findings of this study, the Gulf Coast lineage of subtype IE VEEV continues to actively circulate in this region of Mexico and appears to be responsible for infection of humans and animals throughout this region, including the northern State of Tamaulipas, which borders Texas.

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“…EVE virus was isolated in 1963 from a pool of Culex (subgenus Melanoconion) species mosquitoes collected in Everglades National Park, Fla (Chamberlain et al, 1964). VEE subtype I-E virus is endemic in Mexico and throughout Central America, including western Panama (Grayson & Galindo, 1968;de Mucha-Macias et al, 1966;Causey et al, 1961;Scherer et al, 1972). MENA virus is a 1962 human isolate from Almirante, Panama (Grayson & Galindo, 1968;Jahrling & Eddy, 1977).…”

mentioning

confidence: 99%

Molecular evidence that epizootic Venezuelan equine encephalitis (VEE) I-AB viruses are not evolutionary derivatives of enzootic VEE subtype I-E or II viruses

Sneider

Kinney

Tsuchiya

et al. 1993

Journal of General Virology

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Venezuelan Equine Encephalomyelitis Antibodies in Human Beings of Southeastern Mexico

Cited by 7 publications

References 0 publications

Endemic Venezuelan Equine Encephalitis in the Americas: Hidden Under The Dengue Umbrella

Endemic Venezuelan Equine Encephalitis in the Americas: Hidden Under The Dengue Umbrella

Venezuelan Equine Encephalitis Virus Activity in the Gulf Coast Region of Mexico, 2003–2010

Molecular evidence that epizootic Venezuelan equine encephalitis (VEE) I-AB viruses are not evolutionary derivatives of enzootic VEE subtype I-E or II viruses

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