| 1. | There is a very small but steadily growing proportion of the total manpower in the health field identifying themselves as trained epidemiologists .
在卫生领域的总人力中，经过训练的流行病学家所占比例很小，但这个比例是稳定地增长着。 |
| 2. | They also inform people on how to stay safe and healthy
流行病学家试图阻止疾病的扩散，他们告诫群众如何保持安全和健康。 |
| 3. | Many scientists who study epidemics have long argued that the agency has been overestimating the extent of h . i . v . worldwide
长期以来，许多流行病学家都认为该机构对世界上艾滋病范围的估计被扩大了。 |
| 4. | Tracing the activities and contacts of individual disease victims , as snow did , remains an important tool for modern epidemiologists
如今，像史诺这样追踪每位死者的日常活动与所接触的东西，仍旧是现代流行病学家采用的重要手段。 |
| 5. | " there seems to be something in the air that can harm developing fetuses " beate ritz an epidemiologist who headed the study said in a statement
领导这项研究的流行病学家beate ritz在一次声明中说： "空气中似乎有某种东西会伤害正在发育的胎儿。 |
| 6. | " we ' ve made quite a bit of progress , " cdc epidemiologist dr . celeste philip , lead author of a cdc report on breast - feeding , said in a telephone interview
疾病控制及预防中心母乳喂养报告的主要撰写者、流行病学家西莱斯特?菲利普博士在接受电话采访时说： “我们在这方面进步很大。 ” |
| 7. | " it is not just walking around the block . it is really working up a sweat , " said tim spector , a genetic epidemiologist who led the study , in a telephone interview
该研究负责人、遗传流行病学家蒂姆?斯派科特在接受电话采访时说： “这里所说的锻炼并不只是简单的散散步，而是要运动到出汗。 ” |
| 8. | If epidemiologists had access to a heavily populated game such as “ world of warcraft ” , they could watch how players ' behaviour changes in response to variations in the risks they face
如果流行病学家介入玩家众多的“魔兽世界” ，他们就会知道玩家是怎样随着自己所面临的危险而改变行为的。 |
| 9. | Epidemiologists have shown that preterm births occur significantly more frequently in pregnant women with periodontitis , a common and chronic bacterial infection that causes red , swollen gums and loose teeth
流行病学家提出患有常见的慢性细菌感染导致牙龈红肿和牙齿松动牙周炎的孕妇更易发生早产。 |
| 10. | Epidemiologists now know that rotavirus is far and away the leading cause of childhood diarrhea worldwide , infecting virtually all children between the ages of three months and five years
如今，流行病学家已知：从三个月到五岁大的幼儿，几乎都感染过轮状病毒，它是造成全球儿童腹泻的最常见原因，远超过其他任何病原。 |
