Dengue virus circulation and evolution in Mexico: a phylogenetic perspective.

Dengue virus circulation and evolution in Mexico: a phylogenetic perspective. Research Abstract Details 

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Dengue virus circulation and evolution in Mexico: a phylogenetic perspective. Abstract Text:

Francisco J ,William C Black, , ,Kenneth E Olson,Barry J Beaty,Francisco J ,William C Black, , ,Kenneth E Olson,Barry J Beaty,

BACKGROUND: Dengue is the most important arthropod-borne viral infection in the Americas. In the last decades a progressive increment in dengue severity has been observed in Mexico and other countries of the region. METHODS: Molecular epidemiological studies were conducted to investigate the viral determinants of the emergence of epidemic dengue, dengue hemorrhagic fever and dengue shock syndrome as major public health problems in Mexico. Bayesian phylogenetic analyses were conducted to determine the origin, persistence and geographical dispersion of the four serotypes of dengue virus (DENV) isolated in Mexico between 1980 and 2002. Tests for natural selection were also conducted. RESULTS: The origin of some, but not all, strains circulating in Mexico could be inferred. Frequent lineage replacements were observed and were likely due to stochastic events. In situ evolution was detected but not associated with natural selection. Recent changes in the incidence and severity of dengue were temporally associated with the introduction and circulation of different serotypes and genotypes of DENV. CONCLUSIONS: Introduction of new DENV genotypes and serotypes is a major risk factor for epidemic dengue and severe disease. Increased surveillance for such introductions is critical to allow public health authorities to intervene in impending epidemics.

Dengue virus circulation and evolution in Mexico: a phylogenetic perspective. Publishing Authors By Initials

FJ ,WC Black,JA ,MA ,KE Olson,BJ Beaty,FJ ,WC Black,JA ,MA ,KE Olson,BJ Beaty,

For similar diagnosis: laboratory techniques and procedures: immunologic tests: serotyping research abstracts see: diagnosis: laboratory techniques and procedures: immunologic tests: serotyping research

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Dengue virus circulation and evolution in Mexico: a phylogenetic perspective. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Archives of medical research

VOLUME: 37

Page Numbers: 760-73

Journal Abbreviation: Arch. Med. Res.

ISSN: 0188-4409

DAY: 3

MONTH: Aug

YEAR: 2006

Dengue virus circulation and evolution in Mexico: a phylogenetic perspective. Information

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LANGUAGE: eng

NlmUniqueID: 9312706

Dengue virus circulation and evolution in Mexico: a phylogenetic perspective. Keywords Mesh Terms:

KEYWORDS: Serotyping

MESH TERMS: epidemiology

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Grant and Affiliation Information for Dengue virus circulation and evolution in Mexico: a phylogenetic perspective.

AFFILIATION: Arthropod-Borne and Infectious Disease Laboratory, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado 80523-1692, USA.

Country: United States

AGENCY: United States NIAID

GRANT: AI-46753

ACRONYM: AI

MEDLINETA: Arch Med Res

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