Dr. Chand Wattal, MD, Clinical Microbiology is the Chairman of department of Clinical Microbiology & Immunology at Sir Ganga Ram Hospital, New Delhi. Dr. Nancy Khardori, MD, is a professor at the department of Internal Medicine: Division of Infectious Disease and department of Microbiology & Molecular Cell Biology in Eastern Virginia Medical School, USA. They have previously co-published a book on “Emergencies in Infection Diseases from head to toe”.