Table 3. Association between vaccinations and initial symptoms.
| Initial symptoms | BCG vaccine | Influenza vaccine | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Yes, n (%) | No, n (%) | χ2 | P | Yes, n (%) | No, n (%) | χ2 | P | ||
| Asymptomatic | 86 (30.71) | 6 (46.15) | Fisher | 0.203a | 17 (24.29) | 75 (34.25) | 2.64 | 0.267 | |
| Fever and/or respiratory symptoms* | 187 (66.79) | 5 (38.46) | Fisher | 0.033b | 50 (71.43) | 138 (63.01) | |||
| Other symptoms# | 7 (2.50) | 2 (15.38) | Fisher | 0.149c | 3 (4.29) | 6 (2.74) | |||
*, respiratory symptoms: cough, pharyngalgia, and shortness of breath; #, Other symptoms: dizziness, headache, abdominal pain, diarrhea, nausea, vomiting, loss of appetite, and weakness; a, comparison of asymptom vs. fever and/or respiratory symptoms; b, comparison of fever and/or respiratory symptoms vs. other symptoms; c, comparison of asymptom vs. other symptoms.