Anthony Stephen Fauci, Press Briefing by White House COVID-19 Response Team and Public Health Officials… (2021)
“ Given the fact that there is a greater demand than there is supply, should we be putting all of our effort into getting the first dose into people, with less emphasis on the second dose? Now, the reason for that — I have explained in the past — because the science has shown in both of the vaccines that we have currently available, the Moderna and the Pfizer — the strong data indicates that a prime boost gives a maximum response of 94 to 95 percent efficacy. ”
