This is the first, and, thus far, the only, indication of a possible source of exposure.
这是第一次，也是迄今唯一的一次出现可能接触源的迹象。
Tests taken during an investigation to determine the source of exposure have found a duck positive for H5 in the woman's household.
调查期间为确定接触源开展的检测已发现在该名妇女的家中有一只H5型阳性的鸭子。
What makes these exposures a source of infection is probably not any one exposure but the cumulative nature of being exposed frequently over the course of time.
这些接触是一个感染源，也许这并不是因为任何一次接触，而是长期经常接触的累积性质所致。
The source of exposure is currently under investigation. Her family raises chickens but did not report any mass poultry illness or death.
接触源调查目前正在进行之中，她家养了鸡，但没有任何大规模家禽生病或死亡报告。
Investigations into the source of her exposure found reports of bird deaths near her home in the days prior to symptom onset.
对其接触源的调查发现在症状出现前几天在她家附近有禽类死亡的报告。
Investigations of human cases in Asia and elsewhere have identified close contact with diseased or dead household poultry as the most important source of human exposure to the virus.
在亚洲和其它地方对人间病例的调查已确认与家庭禽群或死禽直接接触为人与该病毒最重要的接触源。
Epidemiological investigations so far have not revealed a common source or route of exposure, and these investigations are now being extended in scope.
流行病学方面的调查目前还没有找到共同的接触源或接触途径，目前正在扩大调查范围。
Epidemiological investigations uncovered exposure to infected poultry as the likely source of infection in both cases.
流行病学调查揭示接触受感染家禽为这两例的可能感染源。
The source of exposure for the initial case is still under investigation, with exposure to infected poultry or an environment contaminated by their faeces considered the most plausible source.
该最初病例的接触源仍在调查之中，接触受感染的家禽或受其粪便污染的环境被认为似乎是最合理的接触源。
Investigations have been undertaken to determine the source of the boy's exposure and samples from pigeons around his household are being tested.
已开展调查以便确定该男童的接触源并正在检测从其家庭周围的鸽子中采集的样本。
Investigations into the source of infection indicate that the both cases had exposure to sick and dead poultry.
感染源调查显示，两位病人都与怀疑患有禽流感的家禽有过接触。
Sunlight is the best source of vitamin D, but exposure to sunlight can also raise the risk of skin cancer.
阳光是人体合成维生素D的最好方式，但曝露在阳光下同时也会增加皮肤癌风险。
Investigations into the source of infection indicate that the three cases had exposure to poultry suspected to have avian influenza.
感染源调查显示，三位病人都与怀疑患有禽流感的家禽有过接触。
Investigations into the source of infection indicate that the two cases had exposure to poultry suspected to have avian influenza.
感染源调查显示，两位病人都与怀疑患有禽流感的家禽有过接触。
Investigations into the source of infection indicate that all the cases had exposure to poultry suspected to have avian influenza.
感染源调查显示，五位病人均与怀疑患有禽流感的禽类有过接触。
Investigations into the source of infection indicate that the case had exposure to poultry suspected to have avian influenza.
感染源调查显示，该病人与怀疑患有禽流感的病禽有过接触。
The effect is strongest closest to the source, so literally stepping back from major in-home sources like the computer, TV, microwave and fridge can help minimize exposure.
在信号源附近的电磁影响是最严重的，所以尽量少接触诸如电脑、电视、微波炉、电冰箱等设备能够有效减少电磁干扰的影响。
Investigations into the source of infection indicated that all four cases had exposure to sick and dead poultry.
感染源调查显示，四位病人都曾与病死禽有过接触。
Investigations into the source of infection indicate that the case had exposure to sick poultry suspected to have avian influenza.
感染源调查显示，该病人与怀疑患有禽流感的病禽有过接触。
Investigations into the source of infection indicated that both cases had exposure to sick and dead poultry.
感染源调查显示，两位病例均与病死禽有过接触。
Radon in our homes is the main source of exposure to ionizing radiation, and accounts for 50% of the public's exposure to naturally-occurring sources of radiation in many countries.
我们家中的氡是接触致电离辐射的主要来源，在许多国家中占大众接触自然发生的辐射源的50%。
The investigation into the source of infection indicate that the case had exposure to sick poultry.
感染源调查显示，病人曾与病禽有过接触。
Braun notes that for people who handle only a couple of receipts a day, thermal paper is unlikely to be a major source of exposure.
布劳恩强调人们一天顶多接触很少几张打印凭据，热敏纸不可能是接触双酚A的主要来源。
Canned foods may be a source of BPA exposure, along with packaged foods.
罐头食品可能是除包装食品以外的的另一个BPA (Bisphenol A，中文名称为双酚a)接触来源。
No information on possible exposure to diseased birds as the source of her infection is presently available, but an investigation is under way.
目前尚未获得关于可能接触病禽作为其感染源的信息，但是正在进行调查。
Prevention or reduction of human exposure is best done via source-directed measures, i.e. strict control of industrial processes to reduce formation of dioxins as much as possible.
预防或减少人类接触二恶英的最佳途径是通过控制源头，也就是说，严格控制工业过程，以尽可能减少二恶英的形成。
It is typically caused by prolonged exposure to heat or an infrared source such as a heating pad or hot water bottle.
通常是由于长时间暴露于高温或者红外线辐射源，例如加热垫或者热水瓶。
Reported numbers for the bank’s exposure were regularly billions of dollars adrift of reality, he reports; finding the source of the error was hard.
他报道说，该银行报风险报告的数字经常是十亿美元上下浮动；很难发现错误的来源。
Reported numbers for the bank’s exposure were regularly billions of dollars adrift of reality, he reports; finding the source of the error was hard.
他报道说，该银行报风险报告的数字经常是十亿美元上下浮动；很难发现错误的来源。
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