Observational studyThe Journal of international medical research2026
The September 2022 thunderstorm asthma outbreak in Yulin, Northwest China: A 7-year retrospective analysis (2018-2024).
Observational study in The Journal of international medical research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Epidemic Thunderstorm Asthma in China: A Systematic Review of an Artemisia-Associated Phenotype.Clinical reviews in allergy & immunology · 2026Pooled it
- Review
- Climate Change, Epigenetics, Microbiota, and Health.International journal of environmental research and public health · 2026Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
ObjectiveThis study documented a thunderstorm asthma outbreak that occurred on 9-11 September 2022 in Yulin, Northwest China, and conducted a retrospective analysis of epidemiological patterns from 2018 to 2024.MethodsA retrospective observational design was employed. Patient data were obtained from Yulin Hospital, The First Affiliated Hospital of Xi'an Jiaotong University. Case numbers were retrieved from the Hospital Information System, and detailed clinical records of hospitalized patients were sourced from the medical records database.ResultsFrom 2018 to 2024, the annual incidence of allergic respiratory diseases increased substantially, from 4778 to 26,459 cases. During the thunderstorm period in September 2022, emergency visits surged to 2185 cases, significantly exceeding baseline levels of previous years. Monthly data for 2022 showed a distinct peak in September, with 5647 visits. Pollen monitoring revealed a bimodal distribution, with concentrations sharply rising to 1488 grains/1000 mm
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