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Vector Competence Analyses on Aedes aegypti Mosquitoes using Zika Virus
Published on: May 31, 2020
Global spread and persistence of dengue
1Division of Infectious Diseases, School of Public Health, and Graduate Group in Microbiology, University of California, Berkeley, California 94720-7354, USA. jennkyle@berkeley.edu
Annual Review of Microbiology
|April 24, 2008
Summary
Dengue, a mosquito-borne viral disease, has surged globally due to urbanization and climate change. Understanding human, mosquito, and viral factors is crucial for controlling this pandemic.
Area of Science:
- * Arbovirology and Epidemiology: Focuses on the study of arthropod-borne viruses and disease patterns in populations.
- * Ecology and Climate Science: Examines environmental factors influencing disease transmission.
Background:
- * Dengue virus, transmitted by mosquitoes, presents a spectrum of illness and is the most prevalent arthropod-borne viral disease globally.
- * Incidence has dramatically increased over the last 50 years, posing a significant public health challenge.
Observation:
- * Rapid urbanization and population growth in tropical/subtropical regions have led to increased mosquito breeding sites.
- * Effective vector control remains a persistent challenge.
- * Dengue virus serotypes and genotypes have evolved and spread globally, with some linked to increased virulence.
Findings:
- * Human, mosquito, and viral factors interact to drive the global spread and persistence of dengue.
- * Ecological and climate changes significantly influence disease dynamics.
- * Specific viral genotypes associated with enhanced virulence have expanded their geographic range.
Implications:
- * Highlights critical knowledge gaps in understanding dengue transmission and evolution.
- * Emphasizes the need for integrated strategies addressing human behavior, vector control, and viral characteristics.
- * Informs future prospects for the control and prevention of dengue as a pandemic disease.
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