Table 2. Comparison of countries/states.
| Characteristics | Brazil | Mexico | Thailand | Singapore | Taiwan |
|---|---|---|---|---|---|
| ARGO correlation | 0.971 | 0.924 | 0.928 | 0.903 | 0.834 |
| Median yearly case count | 590,000 | 48,000 | 47,000 | 5,400 | 1,700 |
| Seasonality (correlation of SAR) | 0.917 | 0.911 | 0.917 | 0.847 | 0.878 |
| Internet penetration [41] | 50% | 38% | 27% | 74% | 76% |
| Google market share [42] | 97% | 93% | 99% | 84% | 42% |
| Report frequency | monthly | monthly | monthly | weekly | weekly |
| Population (avg. in millions) [43, 44] | 198 | 120 | 67 | 5.2 | 23 |
| Median yearly incidence (per 10,000) | 29.1 | 4.1 | 8.0 | 10.5 | 6.8 |
| Country size (103 mi2) | 3,290 | 758 | 198 | 0.28 | 14 |
| Population density (per mi2) [43] | 60 | 160 | 340 | 18,700 | 1,600 |
| GDP (per capita avg. over study period) [43] | $10,100 | $9,200 | $5,800 | $55,000 | $31,900 |