ppd

She has a positive patch test for PPD, indicating a sensitivity to the tuberculosis skin test.
她对PPD皮试呈阳性反应，表明她对结核菌素皮肤试验敏感。
The patient was given a PPD (purified protein derivative) test as part of her routine health screening.
作为常规健康筛查的一部分，病人接受了PPD（纯蛋白衍生物）测试。
A positive PPD result doesn't necessarily mean that the person has an active TB infection; it could just indicate past exposure.
PPD结果为阳性并不一定意味着该人患有活动性肺结核，也可能只是表示过去曾接触过结核杆菌。
The tuberculin skin test uses PPD to identify individuals with latent TB infection.
结核菌素皮试使用PPD来识别潜伏期肺结核感染者。
He had to undergo regular PPD testing because he worked in a high-risk environment for TB infections.
由于他在一个高风险的肺结核感染环境中工作，所以他需要定期进行PPD检测。
The administration of BCG vaccine can sometimes interfere with the interpretation of a PPD test.
接种卡介苗有时会影响PPD测试的结果解读。
In cases where the PPD test returns a negative result but there's still suspicion of TB, further tests like a chest X-ray or sputum culture may be recommended.
如果PPD测试结果为阴性但仍有肺结核疑虑，可能会建议进一步进行胸部X光或痰液培养等检查。
Health care workers are often required to have annual PPD tests to ensure they don't pose a risk to their patients.
医护人员通常需要每年接受PPD测试，以确保他们不会给患者带来感染风险。
The World Health Organization recommends using the Interferon-gamma Release Assays (IGRA) alongside the traditional PPD test for better detection of TB infection.
世界卫生组织建议将干扰素-γ释放实验（IGRA）与传统的PPD测试相结合，以便更好地检测结核病感染。
Children under five years old who receive a Bacille Calmette-Guérin (BCG) vaccination might not produce a typical reaction on a PPD test due to immunity induced by the vaccine.
五岁以下接种了卡介苗（BCG）的儿童可能因疫苗诱导产生的免疫力而在PPD测试中未表现出典型的反应。