New Measles Virus Genotype Associated with Outbreak in China
Author Information
Author(s): Zhang Yan, Ding Zhengrong, Wang Huiling, Li Liqun, Pang Yankun, Brown Kevin E., Xu Songtao, Zhu Zhen, Rota Paul A., Featherstone David, Xu Wenbo
Primary Institution: National Institute for Viral Disease Control and Prevention, Beijing, People's Republic of China
Hypothesis
To determine the origin of the virus associated with a measles outbreak in Menglian County, Yunnan Province, People's Republic of China, in 2009.
Conclusion
The study identified a new measles virus genotype, d11, which is associated with a measles outbreak in China.
Supporting Evidence
- The new genotype d11 was proposed based on genetic analysis of the measles virus from the outbreak.
- Phylogenetic analyses showed that the Menglian viruses were not closely related to any WHO reference strains.
- The minimum nucleotide divergence between the Menglian viruses and the closest reference strain was 3.3% for the N gene.
Takeaway
Scientists found a new type of measles virus that caused an outbreak in China, helping to understand how the virus spreads.
Methodology
Genetic analyses were conducted using phylogenetic analyses based on nucleoprotein and hemagglutinin gene sequences.
Limitations
The study may not capture all circulating strains due to limited sampling.
Participant Demographics
Participants included 14 individuals from Myanmar and 16 from Menglian County, with ages ranging from 6 months to 39 years.
Digital Object Identifier (DOI)
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