Characteristic Seasonal (n=149)a Pandemic (n=88)a p
Age group (years)    
0-10 35 (27.3%) 35 (39.8%) *p=0.01
11-20 13 (10.2%) 11 (12.5%)  
21-30 12 (9.4%) 13 (14.8%)  
31-40 18 (14.1%) 4 (4.5%)  
41-50 8 (6.3%) 11 (12.5%)  
51-60 17 (13.3%) 8 (9.1%)  
61-70 16 (12.5%) 6 (6.8%)  
71-80 7 (5.5%) 0  
81-90 2 (1.6%) 0  
Gender
Female 78 (52.3%) 41 (46.6%) *p=0.235
Male 71 (47.7%) 47 (53.4%)  
Viral load
(Median [p25-p75]) 1.86 (0.06-157.58) 0.05 (0.002-2.44) #p<0.001
Vaccine
Yes 33 (28.9%) 8 (9.5%) *p=0.001
No 81 (71.1%) 76 (90.5%)  
aVaccination status was not informed for all patients
*Statistically significant by Chi-Square Test
#Statistically significant by Mann Whitney U Test
Table 1: Demographic characteristics of patients infected by seasonal and pandemic Influenza A virus.
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