An ongoing dialogue on HIV/AIDS, infectious diseases,
Paul E. Sax, MD
Associate Editor
NEJM Clinician
Biography | Disclosures & Summaries
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FROM NEJM — Recent Infectious Disease Articles- The Essential Role of States in Protecting Immunization Access January 29, 2026In the face of U.S. federal policy shifts that threaten to destabilize vaccine access and weaken clinical guidance, states can step in and protect their residents.
- Case 4-2026: An 80-Year-Old Woman with Cough and Hypoxemia January 29, 2026An 80-year-old woman was admitted to the hospital because of cough and hypoxemia (oxygen saturation, 83%). CT of the chest showed diffuse ground-glass opacities in both lungs. A diagnosis was made.
- A New Therapeutic Broadcast on Hepatitis D, a Satellite Virus January 22, 2026Hepatitis D virus (HDV) is known as a satellite virus because it requires the hepatitis B virus (HBV) surface antigen (HBsAg) to enter the hepatocytes and to complete its life cycle. HDV is the smallest human pathogen, with a single-stranded RNA genome that is approximately 1.7 kb long. Yet, chronic...
- Pneumocystis jirovecii Pneumonia January 22, 2026A 60-year-old man with recently diagnosed HIV infection presented with a 10-day history of fever, dry cough, and shortness of breath. A CT scan of the chest showed diffuse nodules and ground-glass opacities.
- Case 3-2026: A 58-Year-Old Woman with Diplopia and Fever January 22, 2026A 58-year-old woman was admitted to the hospital 3 weeks after lumbar surgery because of diplopia and fever. Left leg pain and a rash had preceded the fever and diplopia. A diagnosis was made.
- The Essential Role of States in Protecting Immunization Access January 29, 2026