Excessive training will cause training large load and low immunity.

训练负荷过大，会出现过度训练，免疫力低下等问题。

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Chronic patients should also be according to the illness rest appropriately, prevent excessive fatigue, low immunity and cause infection again.

慢性患者亦应根据病情适当地休息，防止过度疲劳后，机体免疫力低下而造成再感染。

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It not only can be made in the treatment of medical drugs low immunity, and, as an active ingredient added to food, to enhance the body's immunity.

它不仅可以用在医疗上制成治疗免疫能力低下的药物，而且，作为有效成分添加到食品中，能够增强机体的免疫能力。

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The current recommendation is based on unique conditions associated with the existing pandemic, including low levels of population immunity to 2009 H1N1, the potential for health-care personnel to be exposed to H1N1 patients, and other factors, Dimond says.

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His immunity would be low.

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Immunity to dengue is low in Singapore's population because of the intensive dengue-carrier controls, "making the population vulnerable to outbreaks, " said Ng Lee Ching, director of the Environmental Health Institute at Singapore's National Environment Agency.

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