ANOI (Reuters) - A 73-year-old Vietnamese has died from bird flu, taking the country's toll to 39, 19 of them since the virus returned in December, state-run media reported on Thursday. ADVERTISEMENT The Hanoi resident, one of four patients infected by the H5N1 virus under treatment in hospital, died on Tuesday after being admitted on June 23, the Lao Dong newspaper quoted hospital officials as saying. It gave no further details of the patient and doctors at the hospital could not be reached immediately for comment. The Health Ministry said bird flu had infected 60 people since it returned to...