Inflammation of the respiratory tract causes coughing, mucus secretion, aggravation of asthma and chronic bronchitis and makes people more prone to infections of the respiratory tract.

呼吸道的炎症导致咳嗽、粘液分泌、加重哮喘和慢性支气管炎并使人们更易患呼吸道感染。

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With the expansion of host range, surface of fish becomes dull, mucus secretion increase more, and the fish become weaker due to loss of appetite.

随着寄生范围的扩大，体表失去光泽，粘液分泌量增多，鱼因食欲减退而变得虚弱。

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Usually to mount the thick white mucus or the decadent purulent mucus, sometimes in the secretion has the capillary or the few blood.

通常为黏稠的白色黏液或黄色脓性黏液，有时分泌物中带有血丝或少量血液。

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They have also been linked to mucus secretion and maybe even the coughing associated with the disease.

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These cause all the features of asthma, including swelling and narrowing of the bronchi and secretion of thick mucus which make it difficult for patients to breathe.

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