Assistant Director-General for Health Security and Environment at the World Health Organization, Dr.Keiji Fukuda, urged people to practice good hygiene, including washing their hands and covering their mouth when they cough, and if they become sick to stay home.
VOA: standard.2009.04.29
They were Dr Talwar's assistant in his dental practice and two servants employed by the Talwar family's friends and neighbours.
Dr Peter Mace, assistant medical director of the private health group Bupa, said some of these tests did have a role to play but that explanation of risk was key.
Dr Fumito Ichinose, assistant professor of anaesthesia at Harvard Medical School said that if the effects of hydrogen sulphide was confirmed in larger mammals it could be useful in helping to sustain the functionality of organs in patients undergoing cardiac surgery or in patients with severe trauma.