Minutes of the Advisory Committee on Dangerous Pathogens Eleventh Meeting held at HSE, 25 Chapel Street on Tuesday 03 April 1984 at 1100am. Chairman Dr. A. J. Tyrrell Present Drs. Connolly, Sellers, Whitehead, Smith, Wilde, Williams, Lewis, Sibellas, Smithies, McIntyre, Nourish, Palmer, Messrs. Barrow, Crowley, Sweasey, Ager, Chapman, Sparkes, Bailey, Lister, Missus Bannister, McKechnie. Discussed Smallpox risk associated with disinterment of crypt vaults, flexible film isolators, cytomegalovirus, epidemiology, proposed regulations for control of substances hazardous to health and micro-organisms.