Özet:

In humans, coronaviruses are embraced in the span of viruses that affects the respiratory system and kidney; it shows symptoms like common cold, severe acute respiratory syndrome (SARS), fever, cough, diarrhoea etc. Transpire the infectious diseases associated with SARS became a crucial ultimatum to public health. COVID-19 proliferates quickly and is the principal reason of its wide spread in many countries. It is observed from many studies that COVID-19 predominately attacks the people with low immunity response against the virus. Immune response by acquired by COVID-19 basically have 2 phases i.e., during the incubation and non-severe phases and elimination of the virus and prohibition the development of disease to severe stages is only possible with a specific adaptive immunity. Hence, its necessary to adopt the various strategies for boosting immune response against virus. This review focused in the use of the herbal products for strengthen the immunity of all aged groups against COVID-19. It is observed from various studies that many of the phytochemicals have the capability to inhibit lipid per-oxidation, decreases the oxidative stress, suppresses the activated T-cells (key mediators of antiviral immunity), stimulated phygocytosis of neutrophils, increases the concentration of various inflammatory mediators like cytokines, interleukin, tissue necrosis factor etc. Therefore, herbal drugs have the ability to boost immunity against antigen. In this review, we mainly discussed about the mechanism of increasing immunity by various herbal drugs like Green tea, Ashwaganda, Broccoli, Kutki, Jhandu and many more against the COVID-19. 

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