Swine-flu outbreak could be linked to Smithfield factory farms
according, cafos, carroll, david kirby, eli ferrer cortes, farms, flu, granjas, granjas carrol, granjas carroll, health minister, hog, industrial animal production, influenza, is smithfield foods, jose angel cordova, la gloria, la jornada, la marcha, link, maverick farms, mexican, mexico, mexico city, nature biting back, new york times, north america, on friday, outbreak, paula hay, peak oil entrepreneur, pigs, production, smithfield, smithfield foods, swine, swine flu, tom philpott, united states, vera cruz, wall street journal, washington post