八、传染病对军事上的伤害一切传染病,对于人类生命的威胁,往往超过战事的杀伤,因此,它对军旅中的威胁更大,也往往因为传染病而涣散它的战斗力。尤其因为战争关系,易把传染病传播开。因他们的生活,既是集中的,又是流动的,容易发生传染病,而又容易把它们散布开;所以许多本来没有某种传染病的地区,因战争关系,由甲的地区流传到乙的地区,以至传播各地,此点老子书也早经提到过。它说 VIII. Infectious diseases that cause all infectious diseases in the military and often threaten human lives are more harmful than those in hostilities. Therefore, it poses greater threats to military personnel and often disperses its combat effectiveness due to infectious diseases. Especially because of the war, it is easy to spread infectious diseases. Because of their lives, they are both centralized and mobile, prone to infectious diseases and easily spread among them. Therefore, many areas that were originally free from some kind of contagious diseases were spread from areas A to B because of the war. Regions, and even spread all over the country, this book has also been mentioned by Lao Tze. it says