还有很多我们更熟悉的同样低免疫原性的品种：麦色梗、贵宾犬、葡萄牙水狗等。
More familiar "hypoallergenic" breeds include Wheaten terriers, poodles, and Portuguese water dogs.
但是大多数免疫学家说这些食品种的细菌还没有被充分研究，或者有科学结论表明他们对健康究竟有什么好处。
But most immunologists say that those in food products have not been sufficiently studied or standardized to draw scientific conclusions about what health benefits they provide.
这为疫苗研发者提供了更多免疫靶点，从而促使其开发出更多疫苗品种，比如诺华制药新推出的乙型脑膜炎病毒疫苗。
This increased the number of targets available to vaccine developers and led directly to the development of Novartis's new meningitis-B vaccine, for example.
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