Author

Ran Li

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Open access Sep 2026

A retrospective study of respiratory infections in children following the COVID-19 pandemic in Wuhan, China.

INTRODUCTION Acute respiratory infections cause over 4 million deaths annually worldwide, half of which occur in children under 5 years, primarily in developing countries. This study investigated the impact of the coronavirus disease 2019 (COVID-19) pandemic on the epidemiological and clinical characteristics of pediat...

Ran Li, Hui Zhang, Chen-Kun Tan et al. · Journal of Infection in Deve... · 0 citations

Open access Aug 2026

Phenotype-specific 25-hydroxyvitamin D and fat-soluble vitamin profiles in girls with pediatric endocrine disorders: a large cross-sectional study

Objective To characterize serum vitamin A, total 25-hydroxyvitamin D [25(OH)D] and vitamin E across common pediatric endocrine disorders in girls and to test whether the profiles are phenotype-specific. Methods In this single-center retrospective cross-sectional study, serum vitamin A, total 25(OH)D, and vitamin E were...

Chang-Zhen Li, Lei Xi, Jing-Jing Rao et al. · Frontiers in Nutrition · 0 citations