Boston, MA -- Julio Frenk, Dean of the Harvard School of Public Health, today expressed "the continuing concern and distress of the public health community regarding the detention by Iranian authorities of Dr. Kamiar Alaei, a 2007 Masters of Science graduate of our School, and of his brother, Dr. Arash Alaei. The brothers are Iranian physicians working on the prevention and treatment of HIV/AIDS and who, in the course of their studies and work, have interacted with the international public health community."