covid

Pathogen and Testing Profiles in Post-Infectious Irritable Bowel Syndrome Across the COVID-19 Public Health Emergency: A Retrospective Case Series Abstract Background/Objectives: The COVID-19 public health emergency altered enteric infection surveillance, diagnostic testing, and antibiotic...

Comparative effectiveness of proactive exposure management and illness-based exclusion strategies for COVID-19 in healthcare personnel Amanda Brown Marusiak 1 , Hilary Babcock 2 , Emily Sickbert-Bennett 1 , Daniel Westreich 1 , Justin Lessler 1 , David J Weber Abstract Objective: To...

Genome‐Wide Association Studies of Hospitalized Influenza Identify Four Risk Loci and Reveal Shared and Unique Genetic Factors Compared With COVID‐19 ABSTRACT Background Influenza remains a significant global health burden, potentially leading to hospitalization and mortality. Although...

Reproducible smoker’s paradox in COVID-19 - comparative evidence from Swedish and Norwegian cohorts Abstract Literature on the impact of smoking on COVID-19 has been inconsistent, and the association remains incompletely understood. To assess the effect of smoking on COVID-19 outcomes using...

Distinct CD8+ T cell types associated with COVID-19 severity in unvaccinated HLA-A2+ patients Abstract Despite emerging studies about coronavirus disease 2019 (COVID-19)-associated adaptive immune responses, CD8+ T cell immunity in the context of HLA restriction, particularly in unvaccinated...

Autoantibodies neutralizing type I interferons in COVID-19 patients from southern Brazil Abstract Inborn errors of type I IFN (IFN-I) immunity and neutralizing autoantibodies (auto-Abs) against IFN-I (AAN-I-IFNs) impair antiviral immunity and underlie critical COVID-19. Their impact on...

Non-fluorescent benzothiadiazole probe with protein-triggered turn-on fluorescence for imaging SARS-CoV-2 spike protein in biological systems Highlights A non-fluorescent benzothiadiazole probe becomes strongly emissive after protein ligation. Acid-to-amide conversion yields an approximately...

Effectiveness of COVID-19 Vaccination and Prior Infections to Reduce Long COVID Risk During the Pre-Omicron and Omicron Periods Abstract Background We estimated vaccine effectiveness (VE) against COVID-19 and long COVID during pre-Omicron and Omicron periods, by number of doses and prior...

Viral Burden and Illness Severity During Acute SARS-CoV-2 Infection Predict Persistent Long COVID Symptoms Abstract Background Long COVID is a common complication of infection with severe acute respiratory syndrome coronavirus 2, but the prevalence and predictors of the condition remain...

Five-year Quantitative Chest CT and Hyperpolarized Xenon 129 Ventilation MRI Findings in Survivors of COVID-19 Pneumonia Abstract Background Whether pulmonary sequelae persist 5 years after COVID-19 pneumonia remains unknown. Purpose To evaluate 5-year pulmonary abnormalities in survivors of...

Localized SARS-CoV-2 Infection Triggers a Tissue-Wide Antiviral Response and Functional Impairment of Olfactory Sensory Neurons Abstract Olfactory dysfunction is a hallmark of COVID-19, yet the mechanisms by which severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection causes...

COVID-19 infection raises respiratory type 2 inflammatory disease risk, whereas vaccination is protective Abstract Background Coronavirus disease 2019 (COVID-19) infection and vaccination have unclear impacts on type 2 inflammatory diseases. Although viral infections can drive immune...

https://www.bbc.co.uk/future/article/20260917-confusion-in-the-immune-system-how-allergies-can-develop-later-in-life 1400-word article. Excerpt: The Covid 'on switch' Some people are born with a genetic predisposition to allergy. But "it's not all genetics," says Ruchi Gupta, director of...

REmotely monitored, Mobile health-supported Multidomain Rehabilitation with High Intensity Interval Training for COVID-19 (REMM-HIIT-CoV): Trial Design and Rationale Abstract Importance Individuals hospitalized with COVID-19 are at increased risk for prolonged physical, cognitive, and...

Manipulation of information in times of crisis: evidence from Covid excess mortality Karlinsky, Ariel; Shayo, Moses Abstract Governmental information manipulation has been hard to measure and study systematically. This paper provides comparable country-level estimates of the extent of...

Annual vaccination with BNT162b2 in Germany can avoid substantial clinical and economic burden of COVID-19 disease Abstract Aims To quantify the clinical and economic burden of Coronavirus disease 19 (COVID-19), and burden potentially avoided with annual vaccination, in German adults in an...

Persistent Vocal Alterations and Throat Clearing in Professional Singers Following COVID-19 Infection: A Cross-Sectional Study from China Li, Yuan; Wang, Jun Abstract Professional singers represent a uniquely vulnerable population whose livelihoods depend on optimal vocal function, yet the...

COVID-19 Vaccine Effectiveness and Safety for the 2026-2027 Respiratory Season Abstract Importance SARS-CoV-2 remains a substantial cause of respiratory illness, morbidity, and mortality. Evidence to date has demonstrated that COVID-19 vaccines reduce the risk of severe disease, including...

Risk of hepatitis B reactivation in COVID-19 patients receiving corticosteroid therapy Abstract COVID-19 and HBV are significant public health issues, and managing their co-infection remains unclear. Corticosteroid therapy improves survival in severe COVID-19 but may increase the risk of HBV...

Platelet-derived serotonin drives age-related lung pathology in SARS-CoV-2 infection Editor’s summary The factors that drive age-related susceptibility to severe COVID-19 and related disorders like COVID-19–associated coagulopathy (CAC) are not completely understood. Marotta et al. report...