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Plasmodium vivax in the Elimination Phase - China, 2013-2020
Li Zhang1, Boyu Yi1, Zhigui Xia1
1National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Chinese Center for Tropical Diseases Research, WHO Collaborating Center for Tropical Diseases, National Centre for International Research on Tropical Diseases, NHC Key Laboratory of Parasite and Vector Biology (National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention), Shanghai, China.
China has eliminated domestic Plasmodium vivax malaria. Imported cases from Southeast Asia remain a concern, necessitating updated strategies to prevent resurgence.
Area of Science:
- Malariology
- Infectious Diseases
- Public Health
Background:
- Plasmodium vivax (P. vivax) was historically the most prevalent human malaria parasite in China.
- P. vivax malaria elimination was a key goal in China's malaria control program.
Purpose of the Study:
- To analyze the epidemiological trends of P. vivax malaria in China.
- To inform strategies for preventing malaria resurgence in the post-elimination era.
Main Methods:
- Analysis of national malaria surveillance data.
- Review of imported malaria case reports.
Main Results:
- The last indigenous P. vivax case in China was reported in 2016.
- Hundreds of imported P. vivax cases were reported annually between 2013-2020, primarily from Southeast Asia.
Conclusions:
- China has achieved the elimination of domestic P. vivax malaria.
- Ongoing vigilance and updated strategies are crucial to manage imported cases and prevent malaria re-establishment.
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