Letter from Luc Montagnier to Dr. Gunson confirming that he would be happy to send a sample containing the LAV-2 Virus for study purposes. Letter discusses the epidemiological distribution of cases at that time; principally in African nations although noting some cases in Europeans who had had sexual contact with women of those countries. Attached is a draft Agreement Between Institut Pasteur Foundation and Recipient of Strain, intended as a form to confirm non-commercial use.