HIV and ID Observations

June 20th, 2013

Let’s Move the HIV Testing Algorithm Into the 21st Century

As I’ve written before, the most widely used testing algorithm for HIV — enzyme immunoassay followed, if positive, by Western blot confirmation — is long overdue for an update. A brief review why this is the case, and also why sticking with it is so problematic: Immunoassays have become progressively more sensitive, especially when paired with p24 […]

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September 19th, 2012

It’s Time to Dump the HIV Western Blot

Hard to believe, but we have to get rid of the HIV Western blot — at least as our HIV confirmatory test. Here’s why (case adapted from several seen the past few years; I’m sure most of you have seen similar): 30-year-old man, high risk for HIV. He’s worried he might have become infected due to recent […]

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