ISTANBUL A sandstorm has swept Iraq and hospitalized more than 3700 people with respiratory problems, the Health Ministry said on Tuesday. “At least 3,747 people have so far been admitted to hospitals in Baghdad and other provinces since Monday,” ministry spokesman Saif al-Badr told the state news agency INA. He said the highest number of cases were reported in Baghdad, with at least 1,014 people admitted to hospitals, and al-Muthanna with 874 cases in southern Iraq. The spokesman said most of