In this episode, Sam Ashoo, MD, and TR Eckler, MD, discuss the December 2022 Evidence-Based Urgent Care article on Influenza in Urgent Care. The full article is available for free online.
Epidemiology
- Historical data
- Since COVID, tracking “influenza-like illness” has been complicated
- Influenza deaths and age
- Annual mortality
Outbreaks
Transmission
Classification
- Influenza A, B, and C
- Hemagglutinin and neuraminidase subgroups
- Antigenic drift and shift
Pathophysiology
- Transmission
- Incubation
- Secondary infection
- H3N2
Vaccines
- Egg-based, cell-based, and recombinant influenza vaccines
- CDC recommendations
- Patients aged >65 years
Differential Diagnosis
Complications
Testing
- When is it indicated?
- What types of tests are available?
- Testing in periods of low and high prevalence
Treatment
- High-risk conditions that suggest treatment
- Antiviral medications
- Oseltamivir: NNT and NNH
- Resistance patterns
Billing and Coding
Last Updated on January 25, 2023
Sam Ashoo, MD, FACEP, is board certified in emergency medicine and clinical informatics. He serves as EB Medicine’s editor-in-chief of interactive clinical pathways and FOAMEd blog, and host of EB Medicine’s EMplify podcast. Follow him below for more…