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Published on: October 17, 2018
Anopheles Vectors in Mainland China While Approaching Malaria Elimination
Shaosen Zhang1, Shaohua Guo2, Xinyu Feng3
1National Institute of Parasitic Diseases, Chinese Centre for Disease Control and Prevention; Key Laboratory of Parasite and Vector Biology, MOH; WHO Collaborating Centre for Tropical Diseases, National Centre for International Research on Tropical Diseases, Shanghai, China; Université de Montpellier, IES-Institut d'Electronique et des Systèmes, UMR5214, CNRS-UM, 860 rue de Saint-Priest, Bât 5, 34095 Montpellier, France; Cirad, UMR 17, Intertryp, Campus international de Baillarguet, 34398 Montpellier, Cedex 5, France; Institut de Recherche pour le Développement (IRD France), LIPMC, UMR-MD3, Faculté de Pharmacie, 34093 Montpellier, France.
China
Area of Science:
- Medical Entomology
- Public Health
- Infectious Disease Epidemiology
Background:
- China is nearing malaria elimination, but comprehensive data on malaria vectors is lacking.
- This knowledge gap impedes effective surveillance and World Health Organization (WHO) certification.
- Understanding vector distribution and behavior is crucial for maintaining malaria-free status.
Purpose of the Study:
- To review the nationwide distribution and bionomic characteristics of malaria vectors in China.
- To summarize implemented control measures and identify knowledge gaps.
- To inform future malaria surveillance and elimination strategies.
Main Methods:
- Systematic literature review of studies on Chinese malaria vectors.
- Analysis of vector distribution, species composition, and bionomic traits.
- Evaluation of insecticide resistance data and control measure effectiveness.
Main Results:
- Significant reduction in the distribution of key vectors like Anopheles lesteri and Anopheles dirus s.l.
- Anopheles sinensis is emerging as the predominant species in southwestern China.
- Changes in vector bionomics and widespread insecticide resistance were observed.
Conclusions:
- Malaria vector populations and characteristics have shifted during China's malaria control efforts.
- Current surveillance tools may need updating to address emerging vector species and resistance.
- Further research into secondary vector roles is essential for sustained malaria elimination.
