British model Naomi Campbell talks with the media at a press conference after she was unable to donate blood for victims of dengue at Hemorio center in Rio de Janeiro, Tuesday, April 15 , 2008. Campbell could not donate blood because she underwent surgery five weeks ago. Dengue, a mosquito-borne disease, has killed nearly 100 people and infected more than 70,000 in Brazil this year. (AP Photo/Silvia Izquierdo)

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