Microbiology & Infectious Diseases

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Chikungunya Virus

Chikungunya Virus Extends Far Beyond Tropical Regions

October 2025

A new global analysis reveals chikungunya virus is responsible for millions of infections annually across all continents, with chronic disease accounting for most of the health burden.

Spike in Hepatitis A Cases Hits Vulnerable Communities in Central Europe

Europe faces a sharp rise in hepatitis A cases, with over 2,000 infections in 2025. Vulnerable groups are most affected as ECDC urges vaccination and sanitation efforts.

Healthcare-Associated Infections Affect Over 50% of Care Home Residents

More than half of residents in European care homes experience at least one healthcare-associated infection each year, according to a major ECDC-led study.

Widely Used Painkiller Significantly Alters Gut Microbiota

Genetic data show that salicylic acid may alter gut microbiota and blood metabolites, raising questions about its long-term effects.

Azithromycin Resistance in Gonorrhoea Surges Across Europe

Azithromycin resistance in gonorrhoea has surged across Europe, underscoring the urgent need for enhanced surveillance and new treatment options.

Updated Score Improves Prediction of COVID-19 Critical Care Demand

A simple forecasting tool for critical care demand has been updated to better reflect changing COVID-19 pandemic conditions.

Distinct Symptom Patterns Signal Long COVID in Young Children

New findings identify distinct symptom clusters in young children with long COVID that differ from those observed in older children and adults.

Newborn Gut Bacteria Linked to Respiratory Risk in Early Childhood

Early differences in newborn gut microbiota composition may influence risk of hospitalisation for viral lower respiratory tract infections in early childhood.

Breakthrough mRNA Delivery Technology Could Reverse HIV Latency

A groundbreaking approach using mRNA-lipid nanoparticle technology has shown the ability to force HIV out of its latent state, offering hope for future curative therapies.

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