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California has achieved a milestone in its five-month-long vaccination campaign: More than 50% of residents have received at least one dose of the COVID-19 vaccine, according to a Los Angeles Times analysis.

Today, roughly 19.6 million Californians have received at least one injection. Overall, about 38% of California residents are fully vaccinated, meaning they have received either both shots of the Pfizer or Moderna vaccines, or the single-dose Johnson & Johnson vaccine.

After an initially slow rollout, California has gained steady ground when it comes to administering vaccinations. California ranks 12th among all states in the nation for having the greatest percentage of its residents vaccinated with at least one dose, according to the U.S. Centers for Disease Control and Prevention.

The New England states of Maine, New Hampshire, Vermont, Massachusetts, Connecticut and Rhode Island, as well as New Jersey, have been able to vaccinate their residents the fastest nationwide. States that are still struggling include Louisiana, Mississippi and Alabama.

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Correction: A previous version of the headline for this story incorrectly indicated the portion of Californians who are vaccinated instead of those who have had one dose. The story has been updated.