It has been growing global alarm of corona disease Covid-19 and spreading everywhere in world pandemically around
215 countries. It is aroused in Wuhan at December 2019 and transmitted in human. Developed countries like Italy, America,
Japan, Germany, France and China are much infected along with developing countries like India, Iran, Saudi, U.A.E and
undeveloped countries. No vaccination is available for Covid-19. Efforts and clinical trials have been made in different countries
for appropriate but uncertain route to cure patients affected from Covid-19 such as B. C. G vaccination or Hydroxyquinoline
drug or alkaloid drugs or convalescent plasma therapy. Convalescent plasma therapy has been found much effective in America
and Kerala in India. But still we should remind aphorism prevention is better than cure in our mind. Soaps and sanitizers are
found to be more reliable in preventive measurements against covid-19. Flaviparavir heterocyclic drug compound is proven to
useful for covid-19 patients into curable