Influenza Score

Decision

Likelihood patient has influenza

Population

Clinic

Components

Points:
2 – fever and cough
2 – myalgias
1 – Sx duration <48 hrs
1 – chills and sweats

Score

Risk of influenza infection:
0-2 – 8%
3 – 30%
4-6 – 59%

Reference

Ebell MH, Afonso AM, Gonzales R, Stein J, Genton B, Senn N. Development and validation of a clinical decision rule for the diagnosis of influenza. J Am Board Fam Med 2012(1);25:55-62.