Microbiology & Infectious Diseases

A rare gram-positive bacterium, Lawsonella clevelandensis, has been identified as the cause of a recurrent breast abscess in a middle-aged woman, underscoring the importance of molecular diagnostics for accurate identification of difficult-to-culture pathogens.

The latest clinical practice guideline update provides new recommendations on the use of infliximab for hospitalized adults with severe or critical COVID-19.

Daily prophylaxis with interferon-alpha (IFN-α) nasal spray significantly reduced the risk of COVID-19 infection in adult patients with cancer, according to findings from a randomized, double-blinded, placebo-controlled trial.

New evidence suggests that individuals with poorer pre-infection mental health and a higher burden of prior symptoms face a greater risk of developing long COVID, according to findings from a large national cohort study.

Methicillin-resistant Staphylococcus aureus (MRSA) infections are on the rise, with new statistical modeling showing significant links between community-acquired and hospital-acquired cases, age, and the COVID-19 pandemic.

Cervicovaginal secretions from young females with bacterial vaginosis (BV) were shown to enhance HIV infection in new research that underscores the biological mechanisms linking BV to increased HIV risk.

Pandemic-era disruptions have permanently altered the climate-influenza relationship, with new subtype-specific thresholds emerging in Southern China, according to a large-scale analysis spanning 2011 to 2024.

Severe Clostridioides difficile infection (CDI) can progress rapidly to organ failure and sepsis, and while most patients respond to antibiotic therapy, a minority face life-threatening disease that may require surgical intervention.