Two airports in London to implement enhanced security . Two begin Saturday at New York airport ; four more begin next week . Emergency services in the United States are preparing for possible cases . In London , the UK Department of Health said enhanced screening will be implemented at London 's Heathrow and Gatwick airports and Eurostar terminals . World Health Organization : 300 are believed to have caught the virus ; 200 are dead .
Two airports in London to implement enhanced security . Two begin Saturday at New York airport ; four more begin next week . Emergency services in the United States are preparing for possible cases . World Health Organization : 300 are believed to have caught the virus ; 200 are dead .