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The issue of increasing nonspecific immunity is becoming particularly relevant in the context of the spread of a new coronavirus infection SARS-CoV-2. Thus, there is question of supplementation with vitamins and micronutrients, especially in reproductive-aged women planning pregnancy, due to socio-economic aspects, geographical latitude, dietary habits, and increased needs associated with the epidemiological situation. The deficiency of certain micronutrients in the diet has been found to impair the chemical, structural and regulatory processes in the body, which can negatively affect the state of the immune system. Certain associations have been identified between sufficiency of micronutrients, the severity of the course and development of complications of COVID-19. Severe course of infection is associated with severe deficiency of vitamin D ( |
