Table 3. The comparison of age-specific EBV seropositive rates among countries.
| Country | Year | Sample size | Age (years) | ||||
|---|---|---|---|---|---|---|---|
| ≤2 | 3~9 | 10~19 | >19 | ||||
| Europe | Sweden [8] | 1967–1968 | 552 | - | - | 56% | - |
| United Kingdom [9] | 1991 | 308 | - | - | 64% | - | |
| Sweden [10] | 1977–1978 | 84 | - | - | 64% | - | |
| 1997–1998 | 275 | - | - | 62% | - | ||
| 1998–2000 | 2561 | - | 52% | - | - | ||
| Asia | Japan [12] | 1996–1998 | 202 | - | 59% | 87% | 98% |
| China [13] | 1984 | 94 | 79% | 93% | 100% | - | |
| Thailand [14] | 1998 | 425 | 35% | 84% | 85% | - | |
| Bangladesh [16] | 1996 | 452 | 51% | 88% | 85% | 88% | |
| Taiwan [11] | 1984 | 1350 | 38% | 87% | 99% | - | |
| 2007* | 1411 | 40% | 79% | 93% | 98% | ||
| America | United States [7] | 2003–2004 | 2849 | - | 57% | 73% | - |
| 2009–2010 | 2149 | - | 50% | 65% | - | ||
* the present study
Abbreviations: EBV, Epstein-Barr virus.