on the right hand part of the slide, one month after the third dose, take a look now again at the purple bar. it has gone up substantially from the six which is circled on the left to 154. again, this is one of a number of representative studies. next slide. another study from the rockefeller university in new york funded by the national institute of allergy and infect, diseases, again, showing that omicron exhibits a rather profound degree of neutralization escape, looking at the low levels of the blue triangles on the left part of the panel. however, the two-dose mrna vaccinated people who received a booster dose look had a substantial increase in neutralizing activity to the tune of a 38-fold increase.