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Infectious Diseases

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A 21‑Valent Adult Pneumococcal Conjugate Vaccine (V116) Is Immunogenic and Well Tolerated in People Living with HIV: Results from STRIDE‑7
HIV/AIDSHIVpneumococcal vaccine

A 21‑Valent Adult Pneumococcal Conjugate Vaccine (V116) Is Immunogenic and Well Tolerated in People Living with HIV: Results from STRIDE‑7

By MedXY|Nov 13, 2025

In STRIDE‑7, the adult‑specific 21‑valent conjugate vaccine V116 produced robust opsonophagocytic responses across all 21 serotypes and had a favorable tolerability profile in adults living with HIV, supporting broader serotype coverage com

Cefiderocol Non‑Inferior to Standard Therapy for Hospital‑Acquired Gram‑Negative Bacteraemia: Insights from the GAME CHANGER Trial
Critical Care

Cefiderocol Non‑Inferior to Standard Therapy for Hospital‑Acquired Gram‑Negative Bacteraemia: Insights from the GAME CHANGER Trial

By MedXY|Nov 11, 2025

The GAME CHANGER randomized trial found cefiderocol non‑inferior to standard‑of‑care antibiotics for 14‑day mortality in hospital‑acquired and healthcare‑associated Gram‑negative bloodstream infection; no superiority was seen, including in

Cefazolin Is Non‑Inferior to Cloxacillin for MSSA Bacteraemia and Causes Less Kidney Injury: The CloCeBa Randomised Trial
Infectious Diseasesnephrotoxicity

Cefazolin Is Non‑Inferior to Cloxacillin for MSSA Bacteraemia and Causes Less Kidney Injury: The CloCeBa Randomised Trial

By MedXY|Nov 11, 2025

The CloCeBa trial found cefazolin non‑inferior to cloxacillin for meticillin‑susceptible Staphylococcus aureus (MSSA) bacteraemia, with similar 90‑day composite outcomes and substantially lower rates of serious adverse events and acute kidn

High‑Dose Influenza Vaccine Reduces Hospitalisations in Older Adults
Infectious Diseasesinfluenza vaccineolder adults

High‑Dose Influenza Vaccine Reduces Hospitalisations in Older Adults

By MedXY|Nov 11, 2025

A prespecified pooled analysis of two large randomised pragmatic trials (DANFLU-2 and GALFLU) found high‑dose influenza vaccine reduced hospitalisation for influenza or pneumonia by 8.8% versus standard‑dose in adults ≥65 years, with larger

Nirsevimab Cuts RSV Lower Respiratory Infections in Infants Without Replacing Other Viruses: Post‑hoc Analysis of the Phase 3 MELODY Trial
Infectious Diseasesinfantsmonoclonal antibody

Nirsevimab Cuts RSV Lower Respiratory Infections in Infants Without Replacing Other Viruses: Post‑hoc Analysis of the Phase 3 MELODY Trial

By MedXY|Nov 10, 2025

Post hoc analysis of the MELODY Phase 3 trial shows nirsevimab reduced RSV-associated lower respiratory tract infections and RSV coinfections in healthy term and late-preterm infants, with no signal of viral replacement by other respiratory

Nirsevimab in Chile’s First National RSV Campaign: 76% Reduction in RSV Hospitalisations and 85% Fewer ICU Admissions in Infants
Infectious DiseasesnirsevimabRSV

Nirsevimab in Chile’s First National RSV Campaign: 76% Reduction in RSV Hospitalisations and 85% Fewer ICU Admissions in Infants

By MedXY|Nov 10, 2025

A nationwide retrospective study from Chile finds that a universal nirsevimab immunisation strategy in 2024 reduced RSV-related lower respiratory tract infection hospitalisations by 76% and ICU admissions by 85%, with an NNT of 35 to preven

Real-world data suggest nirsevimab reduces RSV test-positivity up to 12 months but not beyond — cautious interpretation required
Infectious DiseasesnirsevimabPediatrics

Real-world data suggest nirsevimab reduces RSV test-positivity up to 12 months but not beyond — cautious interpretation required

By MedXY|Nov 10, 2025

A multicentre retrospective TriNetX analysis found reduced odds of RSV test-positivity for infants receiving nirsevimab when last dose was within 6–11 months before testing; protection was strongest within 6 months and not evident beyond 12

Widespread Nirsevimab and Maternal RSV Vaccination Linked to Large Drop in Infant Hospitalizations in First Full Season
Infectious DiseasesnirsevimabRSV

Widespread Nirsevimab and Maternal RSV Vaccination Linked to Large Drop in Infant Hospitalizations in First Full Season

By MedXY|Nov 10, 2025

Real-world surveillance from 2024–2025 shows substantial reductions in RSV-associated hospitalizations among infants after broad availability of maternal RSV vaccination and nirsevimab, with effectiveness estimates approximating those from

rVSVΔG‑LASV‑GPC Lassa Vaccine Shows Broad Immunogenicity and Acceptable Safety in Phase 1 Trial
Infectious Diseasesimmunogenicitysafety

rVSVΔG‑LASV‑GPC Lassa Vaccine Shows Broad Immunogenicity and Acceptable Safety in Phase 1 Trial

By MedXY|Nov 10, 2025

A phase 1 trial of the rVSV‑vectored Lassa vaccine demonstrated dose-dependent transient reactogenicity, no vaccine‑related serious adverse events or hearing loss, and robust, durable humoral and cellular responses across doses and lineages

HBsAg <100 IU/mL Identifies Inactive Chronic HBV Patients with HCC Risk Below Surveillance Threshold
GastroenterologyHBsAgHBV

HBsAg <100 IU/mL Identifies Inactive Chronic HBV Patients with HCC Risk Below Surveillance Threshold

By MedXY|Nov 6, 2025

A large Asian cohort study shows serum HBsAg &lt;100 IU/mL reliably identifies inactive chronic hepatitis B patients whose annual HCC risk is &lt;0.2%, potentially allowing de‑escalation of surveillance and informing partial HBV cure defini

Peginterferon Add‑On to siRNA JNJ‑73763989 Yields Deep HBsAg Declines but Not Durable Off‑Therapy Cure in HBeAg‑Positive CHB: Phase 2 REEF‑IT Results
Gastroenterologyhepatitis BsiRNA

Peginterferon Add‑On to siRNA JNJ‑73763989 Yields Deep HBsAg Declines but Not Durable Off‑Therapy Cure in HBeAg‑Positive CHB: Phase 2 REEF‑IT Results

By MedXY|Nov 6, 2025

In the phase 2 REEF‑IT trial, pegylated interferon‑α2a added to siRNA JNJ‑73763989 produced large HBsAg reductions and transient seroclearance in some untreated HBeAg‑positive patients, but no participant reached the prespecified sustained

Not All ‘Indeterminate’ HBV Is Equal: Specific Indeterminate Types Carry Markedly Higher Long‑Term HCC Risk
Gastroenterologyantiviral therapyHCC risk

Not All ‘Indeterminate’ HBV Is Equal: Specific Indeterminate Types Carry Markedly Higher Long‑Term HCC Risk

By MedXY|Nov 6, 2025

A multinational cohort study of 1,986 patients with indeterminate chronic hepatitis B (CHB) shows large differences in long‑term hepatocellular carcinoma (HCC) risk by baseline indeterminate subtype and by phase transition, identifying subg

Congenital CMV in Australia: Reported Cases Are a Small Fraction of Estimated Burden — Implications for Screening, Treatment, and Public Health
Infectious Diseasesantiviral therapyepidemiology

Congenital CMV in Australia: Reported Cases Are a Small Fraction of Estimated Burden — Implications for Screening, Treatment, and Public Health

By MedXY|Nov 4, 2025

National APSU surveillance (1999–2024) found 479 definite congenital CMV cases and dramatic under-ascertainment versus expected prevalence; symptomatic infants increasingly receive antivirals. Expanded surveillance, newborn screening, and c

Optimizing Blood Culture Use in Pediatric Infections: Insights from the ACORN2 Surveillance Network in Africa and Asia
Infectious DiseasesinfectionPediatrics

Optimizing Blood Culture Use in Pediatric Infections: Insights from the ACORN2 Surveillance Network in Africa and Asia

By MedXY|Oct 31, 2025

This study identifies clinical and demographic factors associated with positive blood cultures in hospitalized children across nine African and Asian countries, aiming to improve diagnostic stewardship amidst resource constraints.

Evaluating Self-Collected Urine and Vaginal Samples for HPV Genotyping in Cervical Cancer Screening Among Japanese Women
Infectious DiseasesCervical Cancer ScreeningHPV

Evaluating Self-Collected Urine and Vaginal Samples for HPV Genotyping in Cervical Cancer Screening Among Japanese Women

By MedXY|Oct 31, 2025

This study assesses the feasibility and performance of using self-collected urine and vaginal samples with the BD Onclarity® HPV assay for cervical cancer screening in Japanese women with abnormal cytology, highlighting concordance and sens

Prophylactic Antibiotics in Episiotomy and Second Degree Tears: Insights from the REPAIR Trial
Infectious Diseasesepisiotomypostpartum care

Prophylactic Antibiotics in Episiotomy and Second Degree Tears: Insights from the REPAIR Trial

By MedXY|Oct 31, 2025

The REPAIR study demonstrates that prophylactic antibiotics reduce clinically relevant wound complications after episiotomy or second degree tears, highlighting a potential role for antibiotics in postpartum care.

Boosting Immunity Against Group B Streptococcus: Safety and Efficacy of a Novel Hexavalent Conjugate Vaccine Booster in Healthy Adults
Infectious Diseasesimmunogenicity

Boosting Immunity Against Group B Streptococcus: Safety and Efficacy of a Novel Hexavalent Conjugate Vaccine Booster in Healthy Adults

By MedXY|Oct 31, 2025

A booster dose of the hexavalent group B streptococcus conjugate vaccine (GBS6) administered approximately two years after the primary dose in healthy adults is safe and elicits robust, enhanced immune responses, promising for maternal immu

Breakthrough in Enteric Fever Prevention: Efficacy and Safety of the Novel Salmonella Paratyphi A Vaccine CVD 1902
Infectious Diseasesimmunogenicitylive-attenuated vaccine

Breakthrough in Enteric Fever Prevention: Efficacy and Safety of the Novel Salmonella Paratyphi A Vaccine CVD 1902

By MedXY|Oct 31, 2025

A novel live attenuated oral vaccine, CVD 1902, shows 73% efficacy against Salmonella Paratyphi A infection in a controlled human challenge model, offering promising protection with a favorable safety profile.

Selective Decontamination of the Digestive Tract in ICU Ventilated Patients: Impact on Mortality and Microbial Ecology
Critical Careantibiotic resistanceICU

Selective Decontamination of the Digestive Tract in ICU Ventilated Patients: Impact on Mortality and Microbial Ecology

By MedXY|Oct 31, 2025

A large international trial found that selective decontamination of the digestive tract (SDD) during mechanical ventilation did not reduce hospital mortality but decreased bloodstream infections and antibiotic-resistant organisms, with no c

Adjunctive Low-Dose Glucocorticoids Reduce Mortality in Community-Acquired Pneumonia in Low-Resource Settings: Evidence from a Kenyan Pragmatic Trial
Infectious Diseasescommunity-acquired pneumoniaglucocorticoids

Adjunctive Low-Dose Glucocorticoids Reduce Mortality in Community-Acquired Pneumonia in Low-Resource Settings: Evidence from a Kenyan Pragmatic Trial

By MedXY|Oct 31, 2025

A pragmatic randomized trial in Kenyan public hospitals demonstrates that adjunctive low-dose glucocorticoid therapy significantly reduces 30-day mortality in adults with community-acquired pneumonia without increasing serious adverse event

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