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. 2026 Mar 10;17:1758831. doi: 10.3389/fimmu.2026.1758831

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Copyright © 2026 Zhang, Lu, Yang, Shi, Zhao, He, Lu and Li.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Forest plot comparing mean differences between experimental and control groups for three studies, displaying study names, sample sizes, means, standard deviations, mean differences with 95 percent confidence intervals, study weights, and overall pooled effects under common and random effects models. — Effects of intranasal natural products on viral titer.