The World Health Organization declared the 2019–2020 COVID Emerging coronaviruses are constant global public health threats to society Governments are under increased pressure to stop the outbreak of a global health emergency. In this situation, preparedness, transparency, and sharing of information are crucial. Multiple ongoing clinical trials are conducted for the development of vaccines and antivirals against CoVs. Up to date, there is no specific treatment proven effective against this COVID19. In addition, no vaccine has been licensed by the WHO to prevent MERS-CoV infection thus far. This spillover event is pandemic and a Public Health Emergency of International Concern. Due to its emerging cases day by day there is a need for everyone to act responsibly by taking preventive measures like wearing the masks and avoiding unnecessary outings as possible. There are certain reasons not to get panic regarding a situation like We to know why at it is - we had been identified the virus; We know how to detect-there had many tests to identify; Most cases are mild -about 81% of cases are mild and high recovery rate is seen; Symptoms are mild in young; The virus can be destroyed on the surface; Vaccines are in progress; Many drugs are effective in treating the COVID19. Voluntary reporting of the symptoms helps to prevent the spread of disease. this review details about the origin of the virus, introduction to the anatomical features and pathology, clinical manifestations, its diagnostics, treatment, preventive measures to health workers, and to public.