Evidence map›Paper›PMID 40487265›Full record

ArticleThe Lancet regional health. Western Pacific2025

Ongoing epidemic of scarlet fever in Shanghai and the emergence of M1

Jiehao Cai, Xingyu Zhou, Chi Zhang, Yue Jiang, Panpan Lv, Yibin Zhou, Mingliang Chen, Mei Zeng

Abstract read
In one paragraph

Article in The Lancet regional health. Western Pacific, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed.

  1. Article
  2. Comparing virulence profile of dominantInfectious diseases & immunity · 2026
    Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Molecular Characterization ofMicroorganisms · 2025
    Article
  8. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Jiehao CaiDepartment of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, China.
Xingyu ZhouDepartment of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, China.
Chi ZhangDepartment of Microbiology, Minhang Center for Disease Prevention and Control, Shanghai, China.
Yue JiangResearch and Translational Laboratory of Acute Injury and Secondary Infection, Minhang Hospital, Fudan University, Shanghai, China.
Panpan LvDepartment of Laboratory Medicine, Minhang Hospital, Fudan University, Shanghai, China.
Yibin ZhouDepartment of Microbiology, Minhang Center for Disease Prevention and Control, Shanghai, China.
Mingliang ChenResearch and Translational Laboratory of Acute Injury and Secondary Infection, Minhang Hospital, Fudan University, Shanghai, China.
Mei ZengDepartment of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: The surge of group A Methods: From 2011 to 2024, epidemiological data on notifiable cases of scarlet fever and 3370 GAS isolates from children with scarlet fever were analysed. Incidence rates were calculated as the mean rate per 100,000 population with 95% CIs. Whole genome sequencing was performed on 332 Findings: From 2011 to 2024, a total of 25,539 cases of scarlet fever were reported in Shanghai. The mean incidence declined from 17.1/100,000 population (95%CI 9.7-24.3, pre-COVID-19 period) to 4.8/100,000 population (2.0-10.1, post-COVID-19 period). Children aged 4-9 years represented 85.6% of cases. Sixteen Interpretation: Persistent and periodic predominance of Funding: Shanghai municipal three-year action plan for strengthening the construction of the public health system 2023-2025 (GWVI-2.1.2); Research project of Shanghai Minhang District Health Commission (2024MW45).

Indexed as

emm typeGenomic evolutionGroup A StreptococcusM1UKScarlet fever

Identifiers

PMID40487265
PMCPMC12142341

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.