Pfizer Inc

The CDC voted Thursday to recommend updated versions of both the Pfizer and Moderna coronavirus vaccine boosters, paving way for a widespread rollout as early as next week.

The FDA authorized the first COVID-19 vaccination for children as young as six months on Friday. A panel of CDC advisors will vote Saturday, meaning shots for infants and preschoolers could be available as early as next week.

The FDA announced Tuesday that it has expanded eligibility for the Pfizer booster shot to include children ages 5 to 11.

U.S. stock futures fell Wednesday, one day after the Dow and S&P 500 logged four-session winning streaks and the Nasdaq saw back-to-back gains.

The FDA authorized a second booster shot for older Americans Tuesday, but unlike the first booster, some are hesitant to get the added protection.

The FDA and CDC announced Tuesday that both agencies had expanded eligibility for a second booster shot of the Pfizer or Moderna coronavirus vaccines for all adults over the age of 50.

The CDC and FDA made the decision without consulting their committees of independent vaccine experts.