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January 1, 2026Transboundary and Emerging DiseasesOpen Access

Genetic Diversity, Recombination, and Pathogenicity of Porcine Epidemic Diarrhea Virus Strains Circulating in China During 2023–2024

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Why the study?

Despite extensive vaccination, porcine epidemic diarrhea virus continues to circulate in China, underscoring the need for updated molecular epidemiological surveillance.

Population

714 clinical samples from diarrheic pigs in seven major swine-producing regions and neonatal piglets

Comparison

Experimental infection with PEDV-HeiHo-2024 vs PEDV-NJZU-2024

Design

Molecular epidemiological surveillance and experimental infection study

Authors

YCYunlei CaoACAhui CuiXCXin Chen

Discussion

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Overview

Updated PEDV surveillance in China supports ongoing monitoring; leaves open vaccine strain updates.

Structured PICO

P
Population
714 clinical samples from diarrheic pigs in seven major swine-producing regions in China; neonatal piglets for experimental infection model
I
Intervention
Experimental infection with isolated PEDV strains (PEDV-HeiHo-2024 and PEDV-NJZU-2024)
O
Outcome
Prevalence, genetic diversity, and pathogenicity of PEDV strains

The study highlights the continued circulation of genetically diverse and highly pathogenic PEDV strains in China, emphasizing the need for updated vaccines.

Cite This Study

Cao et al. (2026) studied this question.

synapsesocial.com/papers/6a8a535bb4e829b19bd47a6ehttps://doi.org/10.1155/tbed/1340053
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