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Variations in the mean value of Ra for different attack rates c1 and c2 in the GP and HCWs, as susceptibility to the disease due to prophylaxis changes (αS : 25–35%) and prophylaxis coverage of HCWs increases.
| attack rate among HCWs (%) | variations in the mean value of Ra | attack rate in the GP (%) | R0 | |||
|---|---|---|---|---|---|---|
| prophylaxis coverage | reduction (%) | |||||
| 0% | 50% | 100% | ||||
| 25–40 | 1.0627 | 1.0445 | 1.0170 | 4.3 | 25 | 1.2516 |
| 30–45 | 1.0973 | 1.0795 | 1.0522 | 4.11 | 30 | 1.3261 |
| 35–50 | 1.1488 | 1.1326 | 1.1112 | 3.27 | 35 | 1.4146 |
