Archive for June, 2025

June 27th, 2025

The Mystery of the Isolated Hepatitis B Core Antibody, Solved

(A post inspired by years of doing eConsults, an extremely common query about hepatitis B testing, and the latest BritBox series, “Core Antibody Confidential,” starring a grizzled detective with a faded suit and a haunted past.) Your electronic medical record lists “deficiencies” in health care maintenance for one of your patients, so you order hepatitis […]


June 20th, 2025

Federal HIV Guidelines Face a Shutdown — A Critical Loss for Clinicians and Patients

Each week, our HIV clinical group gathers to review active patients, share updates, and celebrate good news. On our whiteboard, we list four columns: Inpatients, Outpatients, Issues, and Celebrations. This week, under “Issues,” one of my colleagues wrote: HIV Guidelines:  ☹️ Yes, you read that right. This week, we learned that the federal HIV guidelines […]


June 12th, 2025

Why the Sudden Firing of ACIP Members Should Put Every Clinician on High Alert

There are certain irrefutable verities when, like me, you’re an infectious diseases specialist married to a pediatrician. Here are our top two, which are deeply interrelated: Infectious deaths in children, or severe illnesses that lead to lifelong disability, are more devastating than similar events in adults. Each such case in a baby or child is […]


June 6th, 2025

How ID Doctors Get Paid, Part 3: The Grab Bag Edition

If you’ve made it this far, congratulations! You’re now deep into the ID Reimbursement Rabbit Hole. Part 1 and Part 2 covered how ID doctors contribute immense value through patient care, stewardship, infection control, travel clinics — proudly fighting along the way for appropriate compensation as the “Loss Leaders” of the hospital. (Did you get […]


HIV Information: Author Paul Sax, M.D.

Paul E. Sax, MD

Contributing Editor

NEJM Journal Watch
Infectious Diseases

Biography | Disclosures | Summaries

Learn more about HIV and ID Observations.