@deepbluecea @CovidDataReport You can't turn the clock back. For most of 2021 the efficacy was higher, and 90% reduction was a reasonable expectation. Now it is not.
@deepbluecea@CovidDataReport你不能让时光倒流。在2021的大部分时间里，疗效更高，减少90%是合理的预期。现在不是了。
@deepbluecea @CovidDataReport You can't turn the clock back. For most of 2021 the efficacy was higher, and 90% reduction was a reasonable expectation. Now it is not.
@deepbluecea@CovidDataReport你不能让时光倒流。在2021的大部分时间里，疗效更高，减少90%是合理的预期。现在不是了。