HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.
Infectious Disease
Observational serological model in Malawi shows rapid SARS-CoV-2 antibody waning and urban-rural differences
Malawi Study Rewrites Rules of COVID Immunity
This observational study used serological modelling to reconstruct SARS-CoV-2 infection histories in unvaccinated Malawian adults.
In Malawi, natural immunity fades fast, with antibodies dropping to 5% after one year, so vaccines remain essential for lasting protection.
medRxiv
Apr 19, 2026
Drug Pipeline
Phase III
Single COVID-19 vaccine dose boosts antibody levels in individuals with prior SARS-CoV-2 acquisition
One Dose Could Be Enough If You Had COVID First
A cross-protocol analysis of six phase 3 trials in individuals with and without prior SARS-CoV-2 acquisition found that a single COVID-19 va…
People who had COVID before getting vaccinated often need only one shot to reach antibody levels matching two doses for others.
Apr 18, 2026
Primary Care & Family Medicine
RCT
Review of stepped-wedge trial on Montessori approaches for nursing home staff during COVID-19
Nursing Home Residents Found a Lifeline in the Pandemic's Darkest Days
This publication is a review of a stepped-wedge, randomized clinical trial involving 1,117 nursing home staff from 8 Veterans Administration…
When COVID-19 cut nursing home residents off from family, a care method rooted in choice and engagement helped keep residents and staff from…
Apr 18, 2026
Infectious Disease
Methodological review assesses phenotypes for classifying respiratory viruses in English health data
How Doctors Track RSV, Flu, and COVID When Tests Aren't Always Done
This methodological review evaluates phenotypes for classifying respiratory viruses like RSV, influenza, and COVID-19 in English coded healt…
Coded health records can now identify RSV, flu, and COVID-19 outbreaks without lab tests, helping public health agencies track disease trend…
medRxiv
Apr 18, 2026
Infectious Disease
Cohort
Phase 1 cohort study assesses prophylactic pDNA vaccine safety and immunogenicity in healthy adults
Early study of a COVID-19 DNA vaccine in healthy adults showed no serious safety issues
This Phase 1 cohort study enrolled 42 eligible healthy subjects to evaluate a prophylactic COVID-19 pDNA vaccine compared to placebo (Saline…
A new COVID-19 DNA vaccine showed no serious safety issues in healthy adults after six months of monitoring.
Frontiers
Apr 17, 2026
Infectious Disease
Cohort
Plasma hyaluronic acid levels predict ARDS and intubation in adult COVID-19 patients
Could a simple blood test help predict who needs breathing support for COVID-19?
This retrospective single-center cohort study evaluated plasma hyaluronic acid (HA) levels in 502 adult patients with COVID-19.
High levels of a specific blood substance linked to severe lung trouble could help doctors spot who needs breathing support for COVID-19 soo…
Frontiers
Apr 17, 2026
Infectious Disease
Cohort
Pre-infection symptoms and functional status associated with long COVID risk in 65,464 U.S. adults
Did you know older age and female sex increase long COVID risk?
This retrospective cohort study of 65,464 U.S.
Older age, female sex, and lower mental health before infection raise long COVID risk, while having more pre-existing symptoms also increase…
medRxiv
Apr 16, 2026
Psychiatry
Meta-analysis
Narrative review examines pathophysiological mechanisms of post-exertional malaise in PCC and CFS
Why Your Body Crashes After Small Efforts
This narrative review synthesizes current understanding of post-exertional malaise (PEM) in individuals with Post COVID-19 Condition and Chr…
Even a short walk can trigger a dangerous crash in people with Long COVID and Chronic Fatigue Syndrome because their cells stop making energ…
Frontiers
Apr 16, 2026
Pulmonology & Critical Care
RCT
Umbilical cord-derived mesenchymal stromal cells for severe COVID-19 ARDS show qualitative improvement and tolerability
Fresh Cells Help Severe Lungs Recover
This randomized controlled trial summary included 37 patients with severe COVID-19 acute respiratory distress syndrome receiving freshly cul…
Freshly cultured cells from umbilical cords helped patients with severe COVID-19 lung damage recover faster and feel better for months.
Apr 16, 2026
Pulmonology & Critical Care
Cohort
Hospitalized COVID-19 patients receiving antiviral, antiretroviral, or immunosuppressive treatments showed variable outcomes
What helps hospitalized COVID-19 patients survive? A new model offers clues
This cohort study of 711 hospitalized subjects with coronavirus evaluated antiviral, antiretroviral, and immunosuppressive treatments.
When COVID-19 hits hard, doctors need better tools to predict who might get worse.
medRxiv
Apr 16, 2026
Infectious Disease
Meta-analysis
Meta-analysis compares post-acute risks after SARS-CoV-2 versus other respiratory viral infections
Do You Have Post-Viral Symptoms?
This systematic review and meta-analysis of 22 studies synthesizes evidence on persistent symptoms after SARS-CoV-2 infection compared to ot…
Many post-viral symptoms like fatigue and brain fog happen after any bad virus, not just COVID, though trouble breathing and heart palpitati…
medRxiv
Apr 16, 2026
Allergy & Immunology
Observational study identifies distinct immunophenotypic signatures in ME/CFS and long COVID compared to healthy controls
Two Look-Alike Illnesses May Finally Have Separate Fingerprints
This observational study analyzed peripheral blood mononuclear cells from 207 participants with myalgic encephalomyelitis/chronic fatigue sy…
For the first time, scientists can tell two confusing, often-mixed-up illnesses apart by looking at specific immune cells in the blood.
medRxiv
Apr 16, 2026
Questions about SARS-CoV-2 infection
Can the FindPart-w model help identify which SARS-CoV-2 lineage group my child has?
Yes, the FindPart-w model can identify SARS-CoV-2 lineage groups, but it is a research tool not yet available for individual patient use.
Full answer →