Welcome to FirstcallID

FirstCallID is your go-to resource for clear, concise infectious diseases teaching — built for those critical moments when you’re first on call. Whether you’re a medical student, resident, or new to ID, these 15-minute sessions are designed to make complex topics approachable, relevant, and ready to use. No fluff, no filler — just real-world knowledge from experienced educators who remember what it’s like to be in your shoes. Start anywhere. Learn anytime. You’ve got this.

Check out some of our selected Teaching Sessions

A practical guide to conducting an infectious diseases consultation, focusing on efficient clinical assessment and key evaluation steps.
An in-depth look at the initial clinical approach to S. aureus bacteremia—how to assess, evaluate, and start management with confidence.

An organized approach to cellulitis and SSTIs—how to evaluate, when to worry, and what to do when antibiotics fail.
A focused approach to evaluating hospitalized patients living with HIV — from key history and physical exam tips to managing ARVs, OIs, and linking to outpatient care.

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