费晓主要从事兽医微生物病原菌基因组与生物安全研究，特别聚焦于经济动物致病菌，如禽鸡白痢沙门菌和鸡伤寒沙门菌。通过利用微生物组大数据分析，并结合系统生物学手段，发掘和解析沙门菌宿主特异性关键因子，揭示其宿主特异性感染机制。研究涵盖基因组学、分子细菌学和免疫学等多个领域。

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2.  Fei X, Yuan Z, Wellner SM, Ma Y, Olsen JE. 2025. A sequencing-based method for quantifying gene-deletion mutants of bacteria in the intracellular environment. Frontiers in Microbiology 15:1487724.

3.  Fei X, Li Q, Olsen JE, Jiao X. 2020. A bioinformatic approach to identify core genome difference between Salmonella Pullorum and Salmonella Enteritidis. Infection, Genetics and Evolution 85:104446.

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6. Fei X, Yin K, Yin C, Hu Y, Li J, Zhou Z, Tian Y, Geng S, Chen X, Pan Z, Li Q, Jiao X. 2018. Analyses of prevalence and molecular typing reveal the spread of antimicrobial-resistant Salmonella infection across two breeder chicken farms. Poultry Science 97:4374–4383.

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