This emergency has paralyzed almost the entire world. One by one, countries announced a temporary suspension of existing rules and the closure of their borders. Donald Trump has set up a special headquarters to combat the threat of the epidemic, led by Vice President Michael Pence. For 30 days, the visit of European residents stopped. All U.S. citizens returning to the U.S. must undergo 14 days of voluntary quarantine in their homes. All mass events: sports competitions and parades have been canceled. Higher education institutions are transferred to distance education. Schools and kindergartens have been closed.