Here’s the latest on COVID-19 vaccines

These are the COVID-19 vaccine prospects that have made it to phase three trials and beyond.

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A registered nurse administers the COVID-19 vaccine into the arm of a woman at the Corona High School gymnasium in the Southern California city of Corona on January 15, 2021, a day after the state began offering the coronavirus vaccine to residents age 65 and older.

  • U.S. President Joe Biden says his administration has procured 200 million more doses of the Moderna and Pfizer-BioNTech vaccines. The nation will now have enough vaccine supply to cover every American adult by the end of July.
  • South Africa has halted its use of the Oxford-AstraZeneca vaccine after a preliminary study showed it offers only minimal protection against the virus variant that is dominant in that country.
  • The FDA has told Moderna it can add up to 40 percent more of the vaccine in its vials to more rapidly increase the available supply, though discussions between the company and the regulator are ongoing.

COVID-19 vaccines have reached consumers in record time. Though the process can typically take 10 to 15 years, the U.S. Food and Drug Administration has...

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