| 18-49 years | 50-64 years | ≥65 years |  | |||
---|---|---|---|---|---|---|---|
 | Vaccinated | Vaccinated | Vaccinated |  | |||
Symptoms | Yes | No | Yes | No | Yes | No | p |
 | (n = 52) | (n = 144) | (n = 43) | (n = 48) | (n = 27) | (n = 10) |  |
Nasal congestion | 2.15 | 1.95 | 1.74 | 1.97 | 1.89 | 2.13 | 0.128 |
  Present (%) | 90 | 89 | 91 | 81 | 70 | 80 | 0.465 |
  Absent (%) | 10 | 11 | 9 | 19 | 30 | 20 | |
Sore throat | 2.00 | 1.97 | 1.86 | 1.84 | 1.67 | 2.57 | 0.056 |
  Present (%) | 87 | 76 | 67 | 77 | 56 | 70 | 0.112 |
  Absent (%) | 13 | 24 | 33 | 23 | 44 | 30 | |
Cough | 2.39 | 2.18 | 2.30 | 2.47 | 2.41 | 2.80 | 0.046 |
  Present (%) | 98 | 97 | 100 | 98 | 100 | 100 | 0.998 |
  Absent (%) | 2 | 3 | 0 | 2 | 0 | 0 | |
Wheezing | 1.88 | 1.57 | 1.75 | 1.68 | 1.85 | 1.78 | 0.607 |
  Present (%) | 46 | 53 | 65 | 52 | 48 | 90 | 0.045 |
  Absent (%) | 54 | 47 | 35 | 48 | 52 | 10 | |
Feverishness | 2.17 | 2.17 | 1.87 | 2.11 | 1.70 | 2.63 | 0.016 |
  Present (%) | 88 | 89 | 91 | 94 | 74 | 80 | 0.904 |
  Absent (%) | 12 | 11 | 9 | 6 | 26 | 20 | |
Headache | 2.19 | 2.11 | 2.03 | 1.90 | 1.58 | 2.13 | 0.167 |
  Present (%) | 83 | 82 | 77 | 88 | 70 | 80 | 0.504 |
  Absent (%) | 17 | 18 | 23 | 13 | 30 | 20 | |
Muscle aches | 2.11 | 2.24 | 2.15 | 2.15 | 1.93 | 2.43 | 0.432 |
  Present (%) | 87 | 88 | 77 | 96 | 56 | 70 | 0.163 |
  Absent (%) | 13 | 12 | 23 | 4 | 44 | 30 | |
Fatigue | 2.40 | 2.34 | 2.48 | 2.40 | 2.25 | 2.50 | 0.558 |
  Present (%) | 96 | 94 | 98 | 98 | 89 | 100 | 0.955 |
  Absent (%) | 4 | 6 | 2 | 2 | 11 | 0 |  |