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May 25th, 2023

The Legacy of a Disappointing HIV Clinical Trial — Does It Still Apply to HIV Today?

A long, long time ago, back in the early exciting days of raltegravir, the first HIV integrase inhibitor, we learned something important from a clinical trial with disappointing results. The trial bore the (barely) hidden name of the company that developed the drug — SWITCHMRK, get it? — and had a profound impact on how […]


April 21st, 2023

A Change-of-Season ID/HIV Link-o-Rama

The warm weather takes its sweet time to arrive here in Boston, teasing us with an occasional comfortable day, but reverting frequently to chilly temperatures and high winds until mid-to-late May at the earliest. The afternoon sunlight might say, “Spring is here!”, but the nightly temps in the upper 30s/low 40s definitely say otherwise. Brrr. Anyway, […]


February 22nd, 2022

A Personal Tribute to Dr. Paul Farmer — Who Made Everyone Feel Important

Paul Farmer’s unexpected death this weekend has all of us who knew him reeling. This just should not happen to someone so generous, so important, and so visionary about helping others — especially others who, due to being born in impoverished life circumstances, can’t help themselves. This is not fair at all. We’re heartbroken. The tributes will […]


September 22nd, 2021

What I’ve Been Busy Doing, Besides Seeing Patients — and Bonus Animal-Related Infection Podcast

Long-time readers of this site (and I thank you deeply for that) might have noticed a lengthier gap than usual between today’s post and the previously published one. Nearly three weeks! Wow! What on Earth is he doing? He must be really busy. That or just lazy. In order to reassure you that the former is a […]


May 25th, 2021

Yes, the Yankees Had a COVID-19 Outbreak Even Though They’re Vaccinated — Here’s Why

Hey Paul, aren’t you going to write something about the Yankees and their COVID-19 outbreak? How did this happen, aren’t they vaccinated? So asked several of my friends, family members, and colleagues — understandably. I’ve never been shy about my unabashed obsession with baseball, nor my lifelong fandom of this particular much-reviled professional team, though it […]


January 24th, 2021

John Bartlett and Hank Aaron — Consistently Great for a Long, Long Time

Early last week, we lost one of the true giants in Infectious Diseases, Dr. John Bartlett. Long-time Chief of ID at Johns Hopkins, he was a true Infectious Diseases polymath — deeply knowledgeable about such a wide range of topics that virtually everyone in our field knew and respected him. If you’ll permit me to lift […]


December 6th, 2020

Getting Through a Grim, Dark Winter with Little Bits of Joy

The season’s first nor’easter came barreling through New England this weekend, bringing with it an added level of gloom to an already pretty grim time. Grim because the virus sadly returned right on time, just like the other seasonal coronaviruses — and just like the virologists told us it would. Short days, cold dark nights, wintry mix […]


November 24th, 2020

Some ID Things to Be Grateful for This Holiday Season — 2020 (!) Edition

“Grateful?” some might wonder. “He must be out of his mind.” But even in the cursed year that began shortly after the first report of the disease now known as COVID-19 on (almost) New Year’s Eve, we can still find some things to praise, and to offer our gratitude. Or at the very least, acknowledge that […]


September 20th, 2020

Sports During COVID-19 — When What Doesn’t Matter Actually Matters a Lot

A few weeks ago, I got a text from a long-time ID colleague here in Boston: Hey Paul want ur opinion … this is for an interview with MLB radio, and no one knows less about baseball than I do, but as an avid fan and wise ID doc, do you think the season should continue? […]


July 26th, 2020

Time to Amplify Our Voices Calling for Inexpensive Rapid Home Testing for COVID-19

Earlier this month, I highlighted how inexpensive rapid home testing for COVID-19 could get us out of this mess faster than a vaccine. To spare you re-reading the whole thing, here are the main points. Imagine a simple test done on a saliva sample placed on a paper strip. Results back in 15 minutes. Available without a […]


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.