Throat: β-hemolytic group A streptococcus – Shipped May 2014
This challenge was sent to category A, B, and C laboratories. The sample was a simulated throat swab obtained from an 8 year old patient with pharyngitis and allergic to penicillin.
Laboratories were expected to report the presence of Group A Streptococcus and to perform susceptibility testing in view of the history of penicillin allergy.
MAIN EDUCATIONAL POINTS from M141-1
- It is important to perform appropriate antimicrobial susceptibility testing even on isolates from non-invasive infections when penicillin allergy is indicated.