https://www.123articleonline.com/rss/author/304485/my-health-wealthArticles written by My Health Wealth from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1228900/healthy-ways-to-build-your-immune-system On the whole, a remarkable job of defending you against disease causing microorganisms is done by your immune system. But it fails sometimes: A germ makes you sick by successfully invading. The strong immune system can also prevent SARs infection.