The so-called Covid-19 shock will trigger a recession in some countries and a deceleration of global annual growth to below 2.5 percent -- often taken as the recessionary threshold for the world economy. The ongoing spread of the new coronavirus has become one of the biggest threats to the global economy and financial markets. It has become the biggest threat to the global economy. The major bad impacts of the Coronavirus outbreak are the slowdown in economic growth, and manufacturing activity, a contraction in services activity, declining oil prices, a sell-off in stock markets, far fewer flights, and a rise in unemployment.The so-called " Covid-19" shock will lead to stagnation in some countries and a slowdown in global annual growth to less than 2.5 percent- often considered the threshold of stagnation for the global economy. The continued spread of the new coronavirus has become one of the greatest threats to the global economy and financial markets. It has become the greatest threat to the world economy.