A newly recognized vesiculovirus, Calchaqui virus, and subtypes of Melao and Maguari viruses from Argentina, with serologic evidence for infections of humans and horses

C. H. Calisher, T. P. Monath, M. S. Sabattini, C. J. Mitchell, J. S. Lazuick, R. B. Tesh, C. B. Cropp

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In 1983, 17 virus strains were isolated from mosquitoes collected during an outbreak of western equine encephalitis in Santa Fe Province, Argentina. Strains of western equine encephalitis, Venezuelan equine encephalitis, St. Louis encephalitis and Antequera viruses were isolated, as were several bunyaviruses of the California and Bunyamwera serogroups and a new vesiculovirus. Complement fixation and neutralization tests were used to identify the California serogroup virus as a subtype of Melao virus, the Bunyamwera serogroup virus as a subtype of both Maguari and Playas viruses, and the vesiculovirus as a newly recognized agent for which the name Calchaqui virus is proposed. A limited serosurvey of horses and humans in Santa Fe Province and horses from the adjacent Santiago del Estero Province was performed to determine the prevalence of neutralizing antibody to the subtypes of Melao and Maguari viruses and to Calchaqui virus. The high prevalence of antibodies to these three agents indicates the need for further studies of their disease potential in horses, because they are closely related to several other viruses that are known equine pathogens.

Original languageEnglish (US)
Pages (from-to)114-119
Number of pages6
JournalAmerican Journal of Tropical Medicine and Hygiene
Volume36
Issue number1
StatePublished - 1987
Externally publishedYes

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Vesiculovirus
Argentina
Horses
Viruses
Infection
Western Equine Encephalomyelitis
Bunyamwera virus
St. Louis Encephalitis Viruses
Venezuelan Equine Encephalomyelitides
California Encephalitis Viruses
Orthobunyavirus
Complement Fixation Tests
Neutralization Tests
Neutralizing Antibodies
Culicidae
Names
Disease Outbreaks

ASJC Scopus subject areas

  • Parasitology
  • Infectious Diseases

Cite this

A newly recognized vesiculovirus, Calchaqui virus, and subtypes of Melao and Maguari viruses from Argentina, with serologic evidence for infections of humans and horses. / Calisher, C. H.; Monath, T. P.; Sabattini, M. S.; Mitchell, C. J.; Lazuick, J. S.; Tesh, R. B.; Cropp, C. B.

In: American Journal of Tropical Medicine and Hygiene, Vol. 36, No. 1, 1987, p. 114-119.

Research output: Contribution to journalArticle

Calisher, C. H. ; Monath, T. P. ; Sabattini, M. S. ; Mitchell, C. J. ; Lazuick, J. S. ; Tesh, R. B. ; Cropp, C. B. / A newly recognized vesiculovirus, Calchaqui virus, and subtypes of Melao and Maguari viruses from Argentina, with serologic evidence for infections of humans and horses. In: American Journal of Tropical Medicine and Hygiene. 1987 ; Vol. 36, No. 1. pp. 114-119.
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