Characteristics Influenza
COVID-19 (n = 32) Influenza A Virus (n = 57) Influenza B Virus (n = 84)
Median (interquartile) age (years) 50 (37–66) 39 (25–55) 26 (20–33)
Age groups (years) – No.,%
 ≤14 0 4 (7) 16 (19)
 15–29 2 (6) 13 (23) 37 (44)
 30–49 13 (40) 21 (37) 29 (35)
 50–69 11 (34) 15 (26) 0
 ≥70 6 (19) 4 (7) 2 (2)
Sex-No., %
 Male 15 (47) 35 (61) 40 (48)
 Female 17 (53) 22 (39) 44 (52)