Evidence map›Paper›PMID 35835833›Full record

ArticleScientific reports2022

Longitudinal surveillance of influenza in Japan, 2006-2016.

Shinako Inaida, Shigeo Matsuno, Jiro Okumura

Abstract read
In one paragraph

Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing 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

11 citing papers in PubMed.

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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

3 authors.

Shinako InaidaGraduate School of Medicine, Kyoto University, Yoshidakonoecho, Sakyo-ku, Kyoto, 606-8501, Japan. inaida.shinako.42x@st.kyoto-u.ac.jp.
Shigeo MatsunoBiomedical Science Association, Tokyo, Japan.
Jiro OkumuraDepartment of Environmental Medicine and Behavioral Science, Kindai University Faculty of Medicine, Osakasayama, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We analysed 2006-2016 national influenza surveillance data in Japan with regards to age-, sex-, and predominant virus-related epidemic patterns and the prevalence of serum influenza virus antibodies. We found a significant increase in influenza prevalence in both children (≤ 19 years old) and adults (≥ 20 years old) over time. The influenza prevalence was higher in children (0.33 [95% CI 0.26-0.40]) than in adults (0.09 [95% CI 0.07-0.11]). Additionally, the mean prevalence of antibodies for A(H1N1)pdm09 and A(H3N2) was significantly higher in children than in adults, whereas the mean prevalence of antibodies for B lineages was relatively low in both children and adults. There was a biennial cycle of the epidemic peak in children, which was associated with a relatively higher prevalence of B lineages. The female-to-male ratios of the influenza prevalence were significantly different in children (≤ 19 years old; 1.10 [95% CI:1.08-1.13]), adults (20-59 years old; 0.79 [95% CI 0.75-0.82]), and older adults (≥ 60 years old; 1.01 [95% CI 0.97-1.04]). The significant increase in influenza prevalence throughout the study period suggests a change of immunity to influenza infection. Long-term surveillance is important for developing a strategy to monitor, prevent and control for influenza epidemics.

Indexed as

Influenza A Virus, H1N1 SubtypeInfluenza, HumanAdultAgedAntibodies, ViralChildFemaleHumansInfluenza A Virus, H3N2 SubtypeJapanMaleMiddle AgedSeasonsYoung AdultAntibodies, Viral

Identifiers

PMID35835833
PMCPMC9281223

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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.