An ongoing dialogue on HIV/AIDS, infectious diseases,
Paul E. Sax, MD
Associate Editor
NEJM Clinician
Biography | Disclosures & Summaries
Learn more about HIV and ID Observations.
FROM NEJM — Recent Infectious Disease Articles- Anticompetitive Mergers — Pharmaceutical Buyouts as a Strategy for Maintaining Market Dominance April 18, 2026Consolidation in drug markets could promote availability of innovative treatments. But current antitrust screening is inadequate for detecting anticompetitive behavior, including “killer acquisitions.”
- Risk of Guillain–Barré Syndrome after Laboratory-Confirmed Dengue Infection April 16, 2026In a Brazilian self-controlled case series of 5055 hospitalizations for Guillain–Barré syndrome, laboratory-confirmed dengue was associated with an increased risk of Guillain–Barré syndrome occurring within 42 days.
- Nurse Scientists as Trusted Voices in Health Communication April 16, 2026Despite the erosion of public confidence in science and medicine, nurses remain highly trusted professionals. Integrating nurse scientists into health communication strategies would benefit public health.
- Intraosseous Abscess from Subacute Osteomyelitis April 16, 2026A 16-year-old girl presented with 1 month of ankle pain and 11 days of fever. Radiographs showed an ill-defined, radiolucent distal tibial lesion; on MRI, the lesion was hypointense and surrounded by a hyperintense sclerotic rim.
- The Dismantling of Environmental Protections — A Grave Threat to America’s Health April 16, 2026The Trump administration’s wide-ranging actions to dismantle U.S. environmental regulations will cause long-lasting health harms, disproportionately affecting low-income and other vulnerable groups.
- Anticompetitive Mergers — Pharmaceutical Buyouts as a Strategy for Maintaining Market Dominance April 18, 2026