Abstract
Covid-19 is an emerging infectious disease caused by SARS-CoV-2 that can be transmitted to humans There are currently no drug or vaccine for this disease In the absence of treatment for this new virus, finding alternative methods to prevent and control of the disease is important Having a well-functioning immune system is essential for the host's defense against pathogenic organisms Malnutrition can lead to an impaired immune system during life Even though the immune system response to infection, is itself a factor that could lead to nutritional status impairment Deficiency of some nutrients can lead to disorders of immune system Adequate intake of vitamins (A, D, Bs, C and E), minerals (selenium, zinc and iron) and omega-3 fatty acids are among the essential factors in proper immune system function Therefore, it is recommended to follow a healthy diet to prevent the Covid-19 It is also suggested to assess the nutritional status of patients before prescribing treatments © 2020 Baqiyatallah University of Medical Sciences All rights reserved
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