Complex sentence: Cyprus identified its first case of H1N1 on May 30 in a 39-year-old woman from Moldova, living in Cyprus, who returned from the United States on May 28.
Split into simpler sentences: Cyprus identified its first case of H1N1 on May 30. The infected was a 39-year-old woman from Moldova, living in Cyprus, who had returned from the United States on May 28.