8,399 airports in the United States to implement enhanced screenings . Screenings begin next week at London airport ; four more begin next week . Emergency rooms in the United States are preparing for possible cases . Nevertheless , the action and measures which have been taken , and which continue to be taken at present , are likely to improve it . '' the U.S. Department of Transportation : 8,399 are believed to have caught the virus ; 4,033 are dead .
8,399 airports in the United States to implement enhanced screenings . Screenings begin next week at London airport ; four more begin next week . Emergency rooms in the United States are preparing for possible cases . the U.S. Department of Transportation : 8,399 are believed to have caught the virus ; 4,033 are dead .