Sign/symptoms or risk factors
A-H1N1 Frequency (n=27) B-H1N1 Frequency (n=10) A-H3N2 Frequency (n=4)
Fever 25/27 (92.5%) 10/10 (100%) 4/4 (100%)
Headache 20/27 (74.07%) 6/10 (60%) 3/4 (75%)
Gastrointestinal involvement 15/27 (55.5%) 4/10 (40%) 2/4 (50%)
Myalgia 20/27 (74.07%) 7/10 (70%) 4/4 (75%)
Vocal hoarseness 16/27 (59.2%) 4/10 (40%) 1/4 (25%)
Calf pain 12/27 (44.4%) 3/10(30%) 1/4 (25%)
Tachycardia 13/27 (48.1%) 3/10 (30%) 2/4 (50%)
Respiratory involvement 21/27 (77.7%) 6/10 (60%) 3/4 (75%)
Vaccination 11/27 (40.7%) 2/10 (20%) 1/4 (25%)
Contact with birds 2/27(7.4%) 0/10 (0%) 0/4 (0%)
Recent travel 4/27 (14.8%) 0/10 (0%) 0/4 (0%)
Contact with influenza patients 3/27 (11.1%) 1/10 (10%) 0/4 (0%)