⌘+K

Pulse Explore Communities Researchers Journals

Browser extensionInstagram

Home Communities Explore

November 26, 2025The Permanente JournalOpen Access

Population-Based Incidence of Acute and Chronic Urticaria in Southern California: 2017–2022

Tiffany Jean Hyun-Jin Yim Vanessa Chu Jing Zhang Javed Sheikh Shefali Samant Eric Macy

View Full Paper

Ask AI

Bookmark

Share

Key Points

Chronic urticaria incidence decreased during COVID-19, and general patterns were observed before and after vaccination.
Key evidence includes a noted decline in chronic urticaria cases alongside vaccination timelines in the population.
Observational analysis across Southern California from 2017 to 2022 reveals emerging trends in urticaria incidents.
Highlights the need for further research on chronic urticaria's association with vaccines and the COVID-19 pandemic.

Ask about this paper

Answers are grounded in this paper and cite their sources.

Ask your own question…

Implication

Analysis shows a decrease in chronic urticaria cases during COVID-19, suggesting potential links to vaccines.

Abstract

There was a decrease in AU incidence during the COVID-19 era before and after vaccines. AU may be associated with NCVRIs.

Discussion

No takes yet. Share an insight, caveat, or question.

Cite This Study

Jean et al. (2025) studied this question.

synapsesocial.com/papers/692b9d7b1d383f2b2a379455 https://doi.org/10.7812/tpp/25.135

View Full Paper

Ask AI

Bookmark

Share

Keep reading

Synapse has enriched 10 related papers. Consider them for comparative context:

1Population-Based Incidence of Acute and Chronic Urticaria in Southern California: 2017–20222025
2Clinical Features and Outcomes of Acute versus Chronic Urticaria Triggered by COVID-19 Infection2024 · 2 citations
3Clinical Follow-Up, Etiology, and Predictors of Progression to Chronic Urticaria in Children with Acute Urticaria: A Guideline-Based StudyCohort Study · 2026 · 1 citations
4Risk Factors of Chronic Spontaneous Urticaria with COVID-19 Vaccination: A Cross-Sectional Study2025
5Natural Course and Progression of Acute Urticaria to Chronic Urticaria: A Prospective Emergency Department StudyOriginal Research · 2026
6Global burden of urticaria: systematic analysis of prevalence, incidence, and DALYs from 1990 to 2021 with projections to 2036Original Research · 2026 · 3 citations
7Acute Urticaria: Symptoms, Causes, and Evaluation of Phenotypes Prone to Chronicity2024 · 4 citations
8Global burden of urticaria in children and adolescents, 1990 to 2021: Trends, disparities, and future projectionsOriginal Research · 2026 · 1 citations
9Predictors of Preterm Delivery in the COVID-19 Era: A Retrospective Cohort Study of a Large, Integrated HealthSystemThe Permanente Journal · 2026
10Surveying First-Year Medical Students on Cost Knowledge and Attitudes Toward Cost-Conscious Care: Before and After Integration of Cost Awareness CurriculumThe Permanente Journal · 2026

More from The Permanente Journal

More from Los Angeles Medical Center

More from Colorado Permanente Medical Group

More from Kaiser Permanente West Los Angeles Medical Center

More from California Allergy and Asthma Medical Group