Hamze Suleiman H. Nour
COVID-19 was recently was emerged pandemic outbreak worldwide and started from chine that spread global, and caused loss of hundred of thousands of lives and causes loss of billions, as well caused economic loss US 375 billion and caused economic crises to the global economy every month. the Corona Virus Disease 2019 (COVID-19) has become a major public health emergency that threatens global health. This Corona Virus Disease still spread across the world, the virus has more economic impact in Africa than America and Europe though caused destruction of billions lives across the global. This pandemic still persists for long period of time and risk of COVID-19 still spread across the global. through active prevention, control and treatment measures, this effective step for reducing of COVID-19 and stopping loss of life and pandemic under control. Introduction of a vaccine will safe billion of life and economy and decreasing poverty of faced over the worldwide. There was vaccines production that was different stages for clinical trials as draft called of WHO 2 October 2020 for candidate vaccines. WHO assessments and funded the research for developing vaccine to stop spread of COVID-19, in short effective vaccine production stops spread of pandemic COVID-19 across the world, this delay vaccine production increase persistence of pandemic COVID-19 existing long period.