As the COVID vaccine continues to roll out across the U.S., all 50 states have announced when they will begin to offer the shot to those ages 16 and older.

The Food and Drug Administration has authorized the use of the Pfizer-BioNTech COVID vaccine on people who are at least 16 years of age. The Moderna vaccine is approved for use on individuals that are aged 18 and older, while the Johnson & Johnson shot is also authorized for use on recipients who are at least 18 years of age.

On Wednesday, Pfizer and BioNTech announced that its COVID vaccine showed 100% effectiveness in Phase 3 testing on children aged 12 to 15, with hopes of authorization to administer the shot in time for the next school year. Moderna is also testing its COVID vaccine on children under the age of 12, while Johnson & Johnson plans to begin testing the shot on infants and newborns.

While COVID vaccine eligibility has not opened up to children to date, President Biden has promised all adult Americans that the shot will be available in May. States across the U.S. have complied with this timeline with the last remaining state of Arkansas announcing its expanded eligibility on Tuesday, CNN reported.

The availability of the COVID vaccine to all adults 16 and older comes as Biden has issued a goal of vaccinating 200 million Americans in his first 100 days in office, up from his initial goal of 100 million people.

To date, the Centers for Disease Control and Prevention said it has fully vaccinated over 53.4 million people, accounting for 16.1% of the population.

Here is when each state in the U.S. has said it will open vaccination eligibility to the general public for adults who are 16 and older, according to CNN.

  • Alabama – May 1
  • Alaska – March 9
  • Arizona - March 24 (certain state-run sites)
  • Arkansas – March 30
  • California – April 15
  • Colorado – April (No set date)
  • Connecticut – April 1
  • Delaware – April 6
  • Florida – April 5
  • Georgia – March 25
  • Hawaii – May 1
  • Idaho – April 5
  • Illinois – April 12
  • Indiana – March 31
  • Iowa – April 5
  • Kansas – March 29
  • Kentucky – April 12
  • Louisiana – March 29
  • Maine – April 19
  • Maryland – April 27
  • Massachusetts – April 19
  • Michigan – April 5
  • Minnesota – March 30
  • Mississippi – March 16
  • Missouri – April 9
  • Montana – April 1
  • Nebraska – May 1
  • Nevada – April 5
  • New Hampshire – April 2
  • New Jersey – May 1
  • New Mexico – April (No set date)
  • New York – April 6
  • North Carolina – April 7
  • North Dakota – March 29
  • Ohio – March 29
  • Oklahoma – March 29
  • Oregon – May 1
  • Pennsylvania – May 1
  • Rhode Island – April 19
  • South Carolina – March 31
  • South Dakota – May 1
  • Tennessee – April 5
  • Texas – March 29
  • Utah – March 24
  • Vermont – April 19
  • Virginia – April (No set date)
  • Washington – May 1
  • West Virginia – March 22
  • Wisconsin – April 5
  • Wyoming – April (No set date)

Covid shot shortages have forced several key areas to halt immunization, including Rio de Janeiro A COVID shot is pictured. Photo: AFP / MICHAEL DANTAS