Microbiology & Infectious Diseases

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Pilgrim kneeling in prayer during Hajj or Umrah travel, illustrating meningitis vaccination requirements

Hajj Travel: Meningitis Vaccine Performs Well for Older Pilgrims

January 2026

A meningitis vaccine generated bactericidal antibodies in Hajj/Umrah travelers, with solid postvaccination safety through 30 days.

Lung transplantation evaluation in a patient with HIV with CD4 count results under 200

Lung Transplantation in People Living With HIV

Lung transplantation in people with HIV may be feasible yet CD4 counts can temporarily drop under 200 during transplant evaluation.

Hospital clinicians transporting a patient, representing care for Pseudomonas aeruginosa bloodstream infection and sepsis risk.

Pseudomonas aeruginosa Bloodstream Infection Outcomes Stay Poor

Pseudomonas aeruginosa bloodstream infection carried recurrence and mortality, with illness driving risk in Queensland adult cohort.

Blood test results showing vitamin D and potassium levels as nutritional biomarkers for COVID-19 susceptibility

Vitamin D, Potassium, and Blood Indices Signal COVID-19 Susceptibility

Inflammatory and nutritional biomarkers, including vitamin D and potassium, were linked to COVID-19 susceptibility in an Iranian case control study.

Postoperative spine infection definition concept showing spine surgery wound assessment and diagnostic testing

Postoperative Spine Infection Definition Reaches Consensus

New postoperative spine infection criteria standardize diagnosis across six domains, and a microbiology standalone criterion today.

Clinician reviewing duration of antibiotics for complicated UTI treatment plan in hospital setting

New IDSA Guidelines Recommend Shorter Antibiotic Courses for Complicated UTI

An IDSA 2025 guideline favors shorter antibiotic duration for complicated UTI when patients improve and respond well with active therapy.

Conceptual illustration of community-acquired pneumonia and herpes zoster risk in people with HIV

Long-Term ART Lowers Pneumonia and Shingles Risk in HIV

People with HIV on antiretroviral therapy (ART) still face elevated risks of community-acquired pneumonia and herpes zoster.

Laboratory researcher conducting medical research using a microscope

What’s on the Horizon for Patients with Genital Herpes?

The prevalence and current type mix of genital HSV infections worldwide call for new prevention and treatment approaches, including polyfunctional antibodies, vaccines, and gene-editing techniques.

Radiology clinician preparing chest X-ray imaging in clinic.

Diabetes Mellitus in TB Lowers Household Risk

Diabetes mellitus in patients with tuberculosis was not linked to higher household infection and was associated with fewer incident tuberculosis cases over 12 months.

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