The test results were shocking: "By around age 20, about 70 % of the people had been infected, and by age 40 the infection rate was as high as 90 %," says Chen.
檢驗結果令人震驚，「20 歲左右，約有 7 成的人被感染過；到 40 歲時，感染率更高達 9 成！」