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Have been used agent for numerous human diseases as a traditional treatment in many parts of the world. In rural areas of the developing countries, they continua to use as primary source of medicine. In developing countries About 80% of the people use traditional medicines for them health. The frequent misuse of the currently used therapeutic agents has led to the evolution of resistant strains of common pathogens as Medicinal plants well as increased incidence of adverse effects associated with their usage. Hence, search for alternative, and natural phyto chemicals isolated from plants used as medicines are considered  as a good alternative source  plant have a secondary compounds   that included  highly volatile oily compounds, such as terpenoids, Alkaloids phenolic compounds that can effect in other organism such as (bacteria ,Virus  and Fungi)  for example of this plant(Allium ,Garlic ,Orang, Eucalyptus,) and anther types of plant. In addition that plants have amount of chemicals compounds can be strengthen the immune system.

The proportion of antibiotics used today that were originally obtained from natural compounds found in plants, fungi, bacteria and marine organisms is estimated at more than 70%. In this review we found many types of plant may be have impartment for strengthen the immune system agents covid -19.

Medicinal plants, phenolic compounds, immune system, corona pandemic.

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