Efficacy? not really the case. in fact, we have _ efficacy? not really the case. in fact, we have the - efficacy? not really the case. in fact, we have the two - in fact, we have the two vaccines. if you look at the mortality, 90% of those who die are above the age of 80, and have not received any vaccine at all. the most important factor is whether you have received it or not. not so much the title of the vaccine. although we see that around 10% of those who die did receive the vaccine that is not as good as who die have not received any vaccine at all.— any vaccine at all. just briefly _ a...