To achieve what the effect of this disease and the vaccine, the protection rate in the end be able to reach the number of actual detection experiments, only small-scale trial, any further large-scale promotion, just a simple understanding

In this type of disease and the vaccine to reach what kind of effect, rate of protection is to be able to achieve, through what the actual test, the lab, will be small scale, and then try to mass in the promotion, and this is just a simple understanding of

To this kind of sickness with the vaccine can achieve any type the effect, the protection ratio can achieve how many, through in the actual examination, the experiment, only then meets the small scale test, again then massively promotes, now is only a simple understanding

What effects can be achieved on this disease and vaccines, rates of protection in the end how much can be achieved through actual testing, experiment will only be a small scale trial, and then in turn massive promotion, now is just a simple understanding

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