研究了一个离散s - I - R传染病模型，其中未感染概率为关于被感染人群的一般函数。
This paper studies a discrete S-I-R disease transmission model, in which the probability of remaining susceptible is a general function of the infected population.
不仅他们，而且所有人都不会轻易被类似疾病再次感染，因为相对那些从不饮酒的人而言，死亡率也会导致被感染概率的降低。
Not only they are less likely to be affected by similar diseases again, but all-cause mortality too resulted to be lower than in those who did not consume any alcoholic beverage.
民众感染这种疾病的概率为60%。
There is a 60% probability that the population will be infected with the disease.
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