Description | Values | See also | Symbol |
---|---|---|---|
Number of index cases | 10–1000 | Figure 3C | A |
Mean household size | 4 | H | |
Workplace/social group size | 8 | Figure 3B | W |
Ring vaccinations per day | 0–200 | Fig. 3A, 3B, Other | K r |
Monitored diagnosis rate | 1–8 day-1 | Figure 5A, 5B | φ |
Prob. of finding household contact | 0.95 | Table 4 | υ1 |
Prob. of finding workplace/social contact | 0.8 | Fig. 3B, 4AB; Tb. 4 | υ2 |
Delay, tracing household contacts | 1–5 days | Figure 6 | δ1 |
Delay, tracing workplace/social contacts | 2–10 days | Figure 6 | δ2 |
Relative diagnosis rate after 1st diagnosed case | 1.5 | Figure 7 | a 1 |
Infectivity, stage 4 relative to stage 5 | 0.2 | Figure 8 | k |
Infectivity, stage 5 relative to stage 6 | 0.2 | Figure 8 | k' |
Infection hazard for close contacts | 5 day-1 | Table 3 | λ |
Relative hazard for workplace/social contacts | 1/3 | Table 3 | h 2 |
Casual transmission rate | 0.15 day-1 | β | |
Prior vaccination fraction | 0.25 | Other factors | f |
Fraction of mild cases | 0.03 | Other factors | |
Vaccine success rate (for very recent vaccination) | 0.667 | Other factors | α1 |
Vaccine success rate (vaccination prior to discontinuation of routine vaccination) | 0.5 | Other factors | α2 |
Vaccine success rate full protection | 0.999 | Other factors | α3 |