Immunity is developed over years of exposure, and while it never gives complete protection, it does reduce the risk that malaria infection will cause severe disease.
多年接触会形成一定程度的免疫力，虽然这并不能完全防护，但确实会降低感染疟疾后出现重症的风险。
If you've ever taken antibiotics to get rid of an infection, you know it's important to complete the course of treatment-to limit the possibility that a resistant strain will arise.
如果你曾经使用抗生素治疗感染，会知道完成疗程很重要，目的是减少耐药菌株出现的可能性。
"This proves the concept that GM-SCF, only in the lung, is sufficient to provide complete protection against infection with otherwise lethal doses of influenza virus strains," said Dr. Shams.
“证明这个概念，GM - SCF，只是在肺，对致死剂量流感病毒感染足以提供完全保护，”Shams博士说。
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