Nonpharmaceutical interventiona | Level 0 | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 |
---|---|---|---|---|---|---|
Symptom surveillance | ||||||
Fraction of detected symptomatic infections (%) | 33.3 | 66.7 | 66.7 | 66.7 | 66.7 | 66.7 |
Mean time delay from symptom onset to hospitalization (days) | 3.7b | 2.7c | 2.7 | 2.7 | 2.7 | 2.7 |
Mask wearing (% of population) | ||||||
In the workplace | 10 | 10 | 50 | 50 | 50 | 50 |
In the community | 30 | 30 | 80 | 80 | 80 | 80 |
Occupational screening (% of working-age populations) | ||||||
High risk | 2.5 | 2.5 | 2.5 | 5 | 5 | 5 |
Moderate risk | 7.5 | 7.5 | 7.5 | 20 | 20 | 20 |
Mass testing | ||||||
Rounds | 1 | 1 | 1 | 1 | 5 | 5 |
Geographical ranged | Street/township | Street/township | Street/township | Street/township | District/county | District/county |
Mobility restrictionse | ||||||
High-risk region | High | High | High | High | High | Lockdown |
Moderate-risk region | Moderate | Moderate | Moderate | Moderate | Moderate | High |
Low-risk region | Lowf | Low | Low | Low | Low | Moderate |