NEW : New York health worker reports fever Saturday , preliminary positive test for Ebola on Friday . Airport screenings started Saturday at JFK airport in Texas . Spain ramps up response : . Spokesman : CDC followed CDC guidelines after health scare on Dominican flight . Hotel closed in Macedonia after sudden death , ministry says .
NEW : New York health worker reports fever Saturday , preliminary positive test for Ebola on Friday . Airport screenings started Saturday at JFK airport in Texas . Spokesman : CDC followed CDC guidelines after health scare on Dominican flight . Hotel closed in Macedonia after sudden death , ministry says .