流感是一种常见的急性传染病,它可引起发热、咳嗽,甚至可致人于死地。这种说法在一般人听来似乎有点夸张,其实是有一定的科学道理的。 人们通常把流感与感冒混为一谈,认为是同一种病,其实这是两种不同的疾病。感冒一般不会致人于死地,而流感却会。医学专家认为原因有三点:首先是流感会引起毛细血管充血,其次,流感病毒使血管发生渗透现象,心血管和脑血管虽然不会破裂,但会不断向外渗血,引起 Flu is a common acute infectious disease that causes fever, cough, and even death. This view seems to be a bit exaggerated to most people, in fact, there is a certain scientific truth. Flu and flu are often confused and considered to be the same kind of disease. In fact, these are two different kinds of diseases. A cold usually does not kill, but the flu does. Medical experts believe that there are three reasons for the reasons: First, the flu will cause capillary congestion, and secondly, the influenza virus to penetrate the phenomenon of blood vessels, cardiovascular and cerebrovascular although not rupture, but will continue to outward bleeding, causing