KEY POINTS
  • "Really the biggest variable right now is that we're going to have limited supply for the remainder of this year certainly and even into next year," Dr. Scott Gottlieb told CNBC.
  • A CDC advisory panel Tuesday recommended that health-care workers and long-term care residents receive the first coronavirus vaccine doses.
  • Gottlieb also said Wednesday that he expects vaccine supply to be limited when more Americans qualify for vaccination.

Dr. Scott Gottlieb told CNBC on Wednesday the availability of coronavirus vaccine doses is likely to be limited in the next few months should U.S. regulators grant emergency approval later this month.

"We're going to be in this sort of rationing type of environment for this vaccine probably well into the spring," the former Food and Drug Administration commissioner said on "Squawk Box."