She says the sudden death phenomenon may be associated with some facilitating environmental factor, such as the effect of certain drugs. But the possibility which most worries people in medical circles is the emergence of an unidentified new pathogen.
她表示，此一猝死現象或許和環境中的某種協力因子，例如藥物有關；但最讓醫界擔心的是﹘﹘出現另一未知的感染源。