Conclusion Lantigen B can activate the respiratory mucous immune response and prevent respiratory infection efficiently.

结论兰菌净可有效激活呼吸道黏膜免疫，预防呼吸道感染。

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Conclusion Lantigen B can activate the respiratory mucous immune response and prevent respiratory infection efficiently.

结论兰菌净可有效激活呼吸道黏膜免疫，预防呼吸道感染。

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