Skip to content
← Full research library

Immunity

Immune responses, infections and prevention research.
Short explanations show the finding and its limits. Paper records link you to the source.

458 papers in this topic58 short explanations
Immunity2 min read

Headache was common in studies of Oropouche virus infection

A review pooled symptom frequencies from South American studies. Its results describe symptoms among studied patients, with substantial differences between studies complicating interpretation.

Systematic review and meta-analysis including 10 studies.2025
30-second takeaway

Headache, muscle pain, and eye pain were frequently reported among patients with Oropouche virus infection in the included studies. These pooled symptom estimates describe the studied populations and may not apply equally elsewhere. Although the review frames its question around neurological manifestations, the reported symptom frequencies do not establish the frequency of severe neurological complications.

Keep in mind: The studies differed substantially, with geography and diagnostic methods suggested as explanations. The abstract does not report symptom assessment timing or confidence intervals, and the geographic coverage limits generalization.

Study details & source ↗

Abstract-based explanation

Immunity2 min read

Persistent symptoms in a case of IgG4-related spinal inflammation

A man with inflammation and thickening of the spinal cord's covering had no symptom improvement after surgery, partial improvement with methylprednisolone, and no further relief with efgartigimod alfa.

A clinical case report accompanied by a review of published cases.2025
30-second takeaway

In this patient, surgery did not improve symptoms, methylprednisolone provided partial relief, and subsequent efgartigimod alfa provided no additional relief. Imaging also showed enlarging cavities within the spinal cord, and substantial neurological problems remained. This account documents a difficult clinical course, but it cannot establish which treatment works best or whether surgery caused the cavities.

Keep in mind: The abstract does not give treatment durations, detailed symptom changes, or the length of follow-up. An individual patient's response cannot establish treatment effectiveness, and the literature summary does not resolve those gaps.

Study details & source ↗

Abstract-based explanation

Immunity2 min read

Steroid benefits and harms remain uncertain for leptospirosis

Trials in hospital patients with leptospirosis did not establish whether corticosteroids improve survival compared with usual care alone or placebo. Evidence was very uncertain for both benefits and harms.

Systematic review and meta-analysis of 4 randomized trials.2025
30-second takeaway

For people hospitalized with leptospirosis, a bacterial disease, the review could not establish whether corticosteroids improve survival or change serious adverse-event rates. The mortality estimate allowed for both benefit and harm. Other outcomes were similarly uncertain, so the abstract supports an unresolved treatment question rather than a conclusion that steroids help or are ineffective.

Keep in mind: All evaluated outcomes had very low-certainty evidence. Trial bias concerns, differing results, and imprecise estimates weakened confidence. None of the trials assessed health-related quality of life.

Study details & source ↗

Abstract-based explanation

Immunity2 min read

Added immunotherapy after lung cancer surgery showed no clear survival advantage

For operable non-small cell lung cancer, a trial network found no clear survival benefit from adding postoperative immunotherapy to chemotherapy plus immunotherapy before surgery. The estimates remain compatible with different effects.

Systematic review and network meta-analysis of 11 randomized trials.2025
30-second takeaway

The analysis found no clear improvement in event-free survival or overall survival when postoperative immunotherapy was added to chemotherapy plus immunotherapy given before surgery. Event-free survival measures time without a study-defined event. The uncertainty around these comparisons means the findings do not establish that adding treatment has no effect or that the strategies are equivalent.

Keep in mind: Some treatment strategies could not be compared within the trial network. The authors called for direct comparisons, and the abstract does not report follow-up lengths or define the events included in event-free survival.

Study details & source ↗

Abstract-based explanation

Immunity2 min read

Ovarian cancer immunotherapy review leaves survival benefit uncertain

The review favored certain drug combinations, but the reported survival estimates remained compatible with no difference. Unnamed reference treatments make the comparisons difficult to interpret.

Systematic review and network meta-analysis of 6 randomized studies.2025
30-second takeaway

The review examined checkpoint inhibitor drugs used alone or in combinations for ovarian cancer. Combinations with chemotherapy or ipilimumab received favorable survival descriptions, but the reported confidence intervals included no difference. Because the abstract omits the reference treatments, it cannot establish an interpretable survival advantage or identify a preferred treatment from these results.

Keep in mind: The abstract does not identify the reference treatments, follow-up periods or subgroup estimates. Its conclusion states that survival improved more firmly than the reported survival confidence intervals support.

Study details & source ↗

Abstract-based explanation

Immunity2 min read

Intravenous fish oil reduced delirium days in intensive-care patients with sepsis

Among intensive-care patients with sepsis, daily intravenous fish oil shortened delirium duration compared with placebo. The abstract does not establish a mortality benefit or show how large the duration difference was.

Randomized clinical trial conducted at a single center.2025
30-second takeaway

Patients receiving intravenous fish oil had fewer delirium days than placebo recipients. Their intensive-care stays and time receiving mechanical ventilation were also shorter. Mortality did not differ statistically between groups. The abstract reports significance tests without outcome differences or confidence intervals, leaving the size and precision of these effects unclear.

Keep in mind: The trial involved a single center, and the abstract omits effect sizes and safety results. Its intravenous treatment in critically ill patients cannot establish benefits from oral supplements or use in other populations.

Study details & source ↗

Abstract-based explanation

Immunity2 min read

Corticosteroids lowered short-term mortality but increased high blood sugar in pooled critical-care trials

In critically ill patients with specified severe infections or lung conditions, corticosteroids reduced short-term deaths compared with placebo. High blood sugar was more frequent, while infection and bleeding differences remained unclear.

Systematic review and meta-analysis of 43 randomized trials involving 10853 participants.2025
30-second takeaway

Across randomized trials in these critically ill patient groups, corticosteroids reduced short-term mortality compared with placebo. Several measures of hospital recovery also favored treatment, but high blood sugar occurred more often. Infection and gastrointestinal bleeding did not show statistically significant differences. The pooled findings describe these clinical populations and do not establish a preferred regimen for every patient.

Keep in mind: The abstract reports relative effects without absolute death counts. It also combines different critical illnesses and treatment regimens, limiting what the overall estimate can say about a particular patient's expected benefit or harm.

Study details & source ↗

Abstract-based explanation

Immunity2 min read

Publication mapping charts microglial pyroptosis and inflammasome research

An analysis of 958 publications found China and the United States leading research output and influence. It mapped work on microglial pyroptosis and inflammasomes rather than patient outcomes.

Analysis of publication patterns, research influence and recurring topics.2025
30-second takeaway

This study asked where research on microglial pyroptosis and inflammasomes is concentrated and which topics attract attention. China and the United States led publication output and influence, while disease mechanisms and possible interventions were prominent themes. These findings describe research activity; they do not establish that any proposed intervention improves neurological symptoms or prognosis.

Keep in mind: The analysis used a single publication database. Publication counts, influence measures and research topics cannot establish clinical effectiveness or validate the biological claims of individual studies.

Study details & source ↗

Abstract-based explanation

Immunity2 min read

Reported malaria cases show movement problems can appear after fever resolves

A review of malaria case reports and cohorts found coordination problems, tremor, and other movement disorders during or after illness; most reported patients recovered, but some needed prolonged rehabilitation.

Systematic review of case reports, case series, and cohorts.2025
30-second takeaway

The review described movement problems occurring during malaria or after the acute illness. The most commonly reported problem was cerebellar ataxia, meaning impaired coordination, which often appeared after fever had resolved. Most reported patients recovered completely, although some needed prolonged rehabilitation. These selected cases cannot show how commonly such problems occur among all people with malaria.

Keep in mind: Case reports and case series describe selected patients rather than a representative malaria population. Their percentages therefore describe the reported cases, not a person's risk of developing a movement disorder after malaria.

Study details & source ↗

Abstract-based explanation

Immunity2 min read

Corticosteroids probably lower short-term mortality in sepsis; longer-term effects remain uncertain

Across randomized trials in people with sepsis, corticosteroids probably reduced early mortality compared with placebo or usual care. Longer-term mortality and some harms remained uncertain.

Updated systematic review of 87 randomized trials.2025
30-second takeaway

For people with sepsis, corticosteroids probably reduced early mortality compared with placebo or usual care, based on moderate-certainty evidence. The pooled longer-term mortality result was less certain and allowed both lower and higher mortality. The review also found uncertainty about muscle weakness and about whether continuous infusion differs from intermittent dosing.

Keep in mind: Differences between trial results lowered confidence in the early mortality estimate. An updated search had not yet been incorporated, and evidence for several harms and dosing comparisons remained limited or uncertain.

Study details & source ↗

Abstract-based explanation

ImmunityPaper record

The effect of Tai Chi exercise on physical and psychological health of college students with persistent fatigue after COVID-19 infection: A randomized controlled trial.

Randomized controlled trial · Public Health · 2026. Source record refreshed; an explanation has not been reviewed.

Randomized controlled trial2026
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

Effect of the mitophagy inducer urolithin A on age-related immune decline: a randomized, placebo-controlled trial.

Randomized controlled trial · Nat Aging · 2025. Source record refreshed; an explanation has not been reviewed.

Randomized controlled trial2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

[Meta-analysis of hydrocortisone in the treatment of severe community-acquired pneumonia].

Meta-analysis · Zhonghua Wei Zhong Bing Ji Jiu Yi Xue · 2025. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

Chance or Strategy? Assessing the Unanticipated Policy Window for Active Transportation During the COVID-19 Pandemic: A Systematic Review.

Systematic review · J Phys Act Health · 2025. Source record refreshed; an explanation has not been reviewed.

Systematic review2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

The effect of home-based and remote exercises on low back pain during the COVID-19 pandemic: A systemic review.

Systematic review · J Bodyw Mov Ther · 2025. Source record refreshed; an explanation has not been reviewed.

Systematic review2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

Medical clown intervention shortens length of hospitalization in children with pneumonia.

Randomized controlled trial · Sci Rep · 2025. Source record refreshed; an explanation has not been reviewed.

Randomized controlled trial2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

The effect of workload on the development of burnout syndrome in Covid-19 intensive care nurses: a systematic review.

Systematic review · Riv Psichiatr · 2025. Source record refreshed; an explanation has not been reviewed.

Systematic review2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

Unveiling protection: a meta-analysis of tixagevimab-cilgavimab prophylaxis in 28,950 transplant recipients and immunocompromised patients against COVID-19.

Meta-analysis · Virol J · 2025. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

Effects of Janus kinase inhibitors in adults admitted to hospital due to COVID-19: a systematic review and individual participant data meta-analysis of randomised clinical trials.

Meta-analysis · Lancet Respir Med · 2025. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

The global burden of pediatric respiratory infections attributable to long-term exposure to fine particulate matters.

Meta-analysis · Environ Pollut · 2025. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

Prevalence, trends, and molecular insights into colistin resistance among gram-negative bacteria in Egypt: a systematic review and meta-analysis.

Meta-analysis · Ann Clin Microbiol Antimicrob · 2025. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

Indicators associated with job morale of physicians in low- and middle-income countries during the COVID- 19 pandemic: a systematic review and meta-analysis.

Meta-analysis · BMC Health Serv Res · 2025. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

The predictive value of endocan as a novel biomarker: an umbrella study on meta-analyses.

Systematic review · Syst Rev · 2025. Source record refreshed; an explanation has not been reviewed.

Systematic review2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

ImmunityPaper record

Efficacy and safety of Echinacea purpurea in treating upper respiratory infections and complications of otitis media in children: Systematic review and meta-analysis.

Meta-analysis · Clin Nutr ESPEN · 2025. Source record refreshed; an explanation has not been reviewed.

Meta-analysis2025
About this paper

This page identifies the publication and its source. A checked explanation of its findings is not yet available.

Keep in mind: Checking bibliographic metadata does not verify a study’s conclusions or any advice previously linked to it.

Study details & source ↗

Paper record

Topics help you browse; they are not clinical recommendations. What our review labels mean ↗