NEW : USAID and the CDC are offering help , a U.S. spokesman says . NEW : The U.N. is sending in experts to assist with Ebola response efforts. The patient is a Haitian man who works in the Dominican Republic . Of those tourists , more than 4.2 million came by air and more than 455,000 were cruise ship passengers . People are worried and `` everybody 's talking about it , '' a Dominican man says .
NEW : USAID and the CDC are offering help , a U.S. spokesman says . NEW : The U.N. is sending in experts to assist with Ebola response efforts. The patient is a Haitian man who works in the Dominican Republic . People are worried and `` everybody 's talking about it , '' a Dominican man says .