aDivision of Epidemic Intelligence Service, Korea Centers for Disease Control and Prevention, Osong, Korea.
bKorea Institute of Science and Technology Information, Daejeon, Korea.
cKorea Centers for Disease Control and Prevention, Osong, Korea.
Copyright ©2011, Korea Centers for Disease Control and Prevention
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Randomly sampled parameters | Ranges |
---|---|
Infection and disease | |
Basic reproduction number | 1.5-3.5 |
Initial infectivity of infected individuals (%) | 75-95 |
Fraction of infections remaining asymptomatic (%) | 25-50 |
Relative infectivity of asymptomatic individuals (%) | 0-100 |
Hospitalization factor | 0.5-1.5 |
Antiviral treatment | |
Reduction in infectivity of treated cases (%) | 60-98 |
Reduction in hospitalization of treated cases (%) | 49-69 |
Social distancing | |
Contact reduction in the general population (%) | 5-25 |
Contact reduction of moderately sick cases (%) | 0-20 |
Contact reduction of severely sick cases at home (%) | 10-30 |
Contact reduction of hospitalized cases (%) | 20-40 |
Children | Adults | Elderly | ||||
---|---|---|---|---|---|---|
Age (years) | 0–5 | 6–12 | 13–19 | 20–39 | 40–59 | ≥60 |
Number per 100,000 | 6,969 | 9,780 | 9,319 | 34,214 | 27,021 | 12,697 |
Total number in class | 26,068 | 61,235 | 12,697 | |||
Contacts per week | 0–5 | 6–12 | 13–19 | 20–39 | 40–59 | ≥60 |
With 0–5-year-olds | 169.14 | 31.47 | 17.76 | 34.5 | 15.83 | 11.47 |
With 6–12-year-olds | 31.47 | 274.51 | 32.31 | 34.86 | 20.61 | 11.50 |
With 13–19-year-olds | 17.76 | 32.31 | 224.25 | 50.75 | 37.52 | 14.96 |
With 20–39-year-olds | 34.5 | 34.86 | 50.75 | 75.66 | 49.45 | 25.08 |
With 40–59-year-olds | 15.83 | 20.61 | 37.52 | 49.45 | 61.26 | 32.99 |
With ≥60-year-olds | 11.47 | 11.50 | 14.96 | 25.08 | 32.99 | 54.23 |
Risk category | Low risk | High risk | Low risk | High risk | Low risk | High risk |
Fraction of age class (%) | 90 | 10 | 85 | 1 | 60 | 40 |
Fraction of infected individuals who become severely sick (%) | 33 | 33 | 33 | 33 | 33 | 33 |
Fraction of severely sick patients who need hospitalization (%) | 0.18 | 1.33 | 2.33 | 2.76 | 3.56 | 7.76 |
Fraction of hospitalized patients who die (%) | 5.54 | 16.53 | 39.50 |