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The “human-challenge”–pandemic-coronavirus-COVID-19 effects on human-civilization, health, travel, socioeconomic, education, and clinical research. India emphasis on okra, the most economically-important number-one essential-consumption-nutritious-vegetable as well as traditional-medicine, the “Nature’s-Gift to human-disease-free healthy-life,” is naturally-infected with different-diseases, significantly reducing food-production. Although pesticides are the most effective means of control, they are not, cost-effective, and environment-friendly. Hence, it has been an urgency to require; new and more efficient solutions, technologies, products to fulfill its food and nutritional requirement, and methods to develop vaccines or social-vaccine against coronavirus-COVID-19. Hence, it is focused on the okra-plant, intercropped with amaranth-plant, to determine the effects on pathogens-infected-diseases; Root-Knot, Yellow-Vein-Mosaic-Virus, and Okra-Enation-Leaf-Curl-Virus in a well-protected-garden. After harvesting, of the two-plant-species, okra received minimum pathogen-infection, forming the “Good-Diseases-Resistant-Eco-Friendly-Highly-Economical-Biomedicinal-Plants,” conserving “Biodiversity-Conservations-Sustainable-Climate-Health and Development with Important-Economic-Implications in Agriculture,” though both are highly susceptible to diseases, and the farmers would be benefited double; by controlling-diseases, and by buying-selling the okra-amaranth. In biomedicines, highly-trace-tolerance-okra-vegetables or the plant virus; Yellow-Vein-Mosaic-Virus, and Okra-Enation-Leaf-Curl-Virus, which has been developed as antigenic epitopes derived from the vaccine targets COVID-19 infectious epidemic disease agents, and the chimeric virus particles (CVPs), may be used in vaccine formulations or treatments, as one of the most powerful potential-personalized-biomedicine as vaccines or social-vaccine against coronavirus-COVID-19, inducing natural-immunity, enriching food-security green-economy science-and-technology-communication applications-issues. It may be the most; cost-effective, easily-available, safe-edible, prepare-able, and applicable-future-potential-biomedicine, and safe alternative to live replicating COVID-19-“Social Vaccines” which mobilized and united us, hope and opportunity opens new-windows for nations to win the 21st-century pandemic-crisis common-enemy, retaining in the old-form.