Others believe that the genetic control of susceptibility to infectiousdisease forms a spectrum, of which Dr Abel and Dr Casanova have only seen one extreme.
The hot zone for exposure is generally two seats beside, in front of and behind you, according to a study in July in the journal Emerging Infectious Diseases, published by the U.S. Centers for DiseaseControl and Prevention.
Kozarsky teaches medicine and infectious diseases at Emory University School of Medicine and is a consultant for the Centers for DiseaseControl and Prevention on traveler's health.