1. Number of employees who had influenza 5,248 31.4%

2. Number of employees who did not have influenza 11,464

——————

Total number of employees 16,712

3. Total number of persons

inoculated No inoculations 3,122

One inoculation 2,483

Two inoculations 2,548

Three inoculations 3,550

Four inoculations 5,009

——————

Total 13,590

4. Cases influenza developed 47.9%

after No inoculations 1,495 of (3

One inoculation 634 25.5%

Two inoculations 770 30.2%

Three inoculations 1,078 30.4%

Four inoculations 1,271 25.0%

——————

Total 5,248

5. Cases influenza pneumonia 6.3%

developed after No inoculations 94 of (4

One inoculation 33 5.2%

Two inoculations 42 5.4%

Three inoculations 69 6.4%

Four inoculations 85 6.7%

——————

6.1%

Total 323 of (4 total

6. Deaths from influenza and “flu 2.0%

No inoculations 30 of (4

One inoculation 13 2.0%

Two inoculations 21 2.9%

Three inoculations 16 1.5%

Four inoculations 37 2.9%

——————

2.2%

Total 117 of (4

Studies on Epidemic Influenza: Comprising Clinical and Laboratory Investigations · 第 34 / 70 题