The infected often go undiagnosed.
被感染的人常常无法得到确诊。
Millions of cases may therefore go undiagnosed.
因此可能有数百万件病例还没有得到确诊。
It was sudden - an undiagnosed disorder, a suspected case of Marfan syndrome.
事发突然——因一种尚未确诊的疾病，疑似马凡氏综合征。
Also, TB in HIV-positive people is more likely to be fatal if undiagnosed or left untreated.
如果不及时治疗或确诊的话，结核病对于HIV阳性的人有可能是致命的。
“In most parts of the world most people with the disease go undiagnosed,” says Wortmann.
“世界上大多数地方的大多数病人并没有得到诊断，”Wortmann说。
Children in regular schools are more likely to be higher functioning and thus undiagnosed.
在正规学校的孩子患病的表现更可能趋于正常，从而不能被确诊。
In Africa, estimates show 69 000 cases emerged, the vast majority of which went undiagnosed.
在非洲，估计新发病例为6.9万例，而绝大多数被漏诊。
Some 20,000 Americans are infected and treated every year, but countless others go undiagnosed.
每年有大约两万名美国人感染莱姆病并被治愈，但仍有不计其数的人没能确诊。
But don't downplay it. Undiagnosed asthma can make life more difficult and could even be deadly.
但是，不要低估它，哮喘能够让人们的生活更加困难，甚至致命。
This is not the case for millions of children who are living with undiagnosed and untreated asthma.
但数百万没有得到诊断和治疗的哮喘患儿就没有这么幸运。
Many of those undiagnosed children likely have mild social impairments, rather than more severe autism.
这些没有被诊断出的孩子中许多人可能有着轻微的社交障碍，但没有严重的自闭症。
In one recent study of more than 4,000 African American men and women, 10 percent had signs of undiagnosed asthma.
在最新的一个研究中指出：有4000多名非洲籍美国男性和女性，其中百分之十的人有哮喘的迹象。
7 million people a year die from TB, many because the infection goes undiagnosed, or is diagnosed too late to be cured.
每年有170万人死于结核病，其中许多死亡的原因是感染未能得到诊断或确诊太晚以至于无法治愈。
In 1998, almost 40 000 cases were reported, but estimates were that 300 000 cases were undiagnosed and therefore untreated.
在1998年，报告了近4万起病例，但估计有30万起病例未得到诊断并因此未得到治疗。
Three of the original cohort of 20 patients died during the study, one from unrelated and previously undiagnosed colon cancer.
在研究过程中，最初的20名同期病人中有3名死亡，其中一个是死于无关的未能预先诊断出来的结肠癌。
An estimated 25,000 people in the UK suffer from narcolepsy but many remain undiagnosed due to the varying nature of the symptoms.
据估计，英国大约有2万5千人患有嗜睡症，但很多人因为症状性质不同难以确诊。
The team behind the study also point out that early undiagnosed symptoms of heart problems can also cause people to walk more slowly.
研究团队同时还指出，有些老人尚未有确诊的心脏疾病症状也走起路来慢吞吞。
Some women with severe premenstrual syndrome have undiagnosed depression, though depression alone does not cause all of the symptoms.
单独抑郁症本身不会引起所有的症状，所以一些有严重经前综合症的女性还患有未确诊的抑郁症。
An estimated 15 million people in Britain suffer from high blood pressure, also known as hypertension - around half of them undiagnosed.
据估计，英国大约有1500万人患高血压，也叫作“高血压症”——不过约有一半的人未被诊断出来。
The 61 percent of undiagnosed diabetics face higher risks of suffering eyesight or kidney problems and risk having strokes, the report said.
报告称，61%的未确诊患者患视力问题、肾脏问题、以及中风的风险更高。
He said the undiagnosed cases are likely to be at the mild end of the spectrum, are coping well with their families and may not need a diagnosis.
他还说，未诊断的患者可能处于谱系中程度比较轻的一端，他们可能和家人相处不错，不需要诊断。
Depression. Some women with severe premenstrual syndrome have undiagnosed depression, though depression alone does not cause all of the symptoms.
抑郁症。单独抑郁症本身不会引起所有的症状，所以一些有严重经前综合症的女性还患有未确诊的抑郁症。
They don't think South Korea has more children with autism than the United States, but instead that autism often goes undiagnosed in many nations.
他们并未料到韩国自闭的孩子比美国还多，但其实在许多国家自闭症通常不会被诊断出来。
The proportion of undiagnosed individuals was highest in Thailand (78%; 95% confidence interval, CI: 74-82) and lowest in the United States (16%; 95% CI: 13-19).
未诊断个人的比例泰国最高(78%，95%置信区间CI： 74- 82)，美国最低(16%，95%置信区间CI：13 - 19)。
But had Jerry's abscess gone undiagnosed, it might well have continued to grow and could have eventually necessitated the surgical removal of part of his lung.
但是Jerry的脓肿并未最终确诊，有可能会继续生长，最终需要外科切除部分肺叶。
But had Jerry's abscess gone undiagnosed, it might well have continued to grow and could have eventually necessitated the surgical removal of part of his lung.
但是Jerry的脓肿并未最终确诊，有可能会继续生长，最终需要外科切除部分肺叶。
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