Israeli singer and composer Shmulik Krauss, who was admitted to Sourasky Medical Center in Tel Aviv on Wednesday, is suffering from the swine flu, Channel 10 reported on Thursday.The 77-year-old Krauss remained in the hospital's intensive care unit in serious, yet stable condition.Krauss was a member of the 1960s pop group The High Windows, along with Arik Einstein and Josie Katz and has composed music for several Israeli singers, including Shalom Hanoch.