US expected to authorize mix-and-match COVID booster shots

WASHINGTON (AP) — Federal regulators are expected to authorize the mixing and matching of COVID-19 booster shots this week.

The upcoming announcement by the Food and Drug Administration is likely to come along with authorization for boosters of the Moderna and Johnson & Johnson shots.

It follows the OK last month of a third dose for the Pfizer vaccine for many Americans.

The FDA was also expected to say that using the same brand for a booster was still preferable.

The move was previewed Tuesday by a U.S. health official familiar with the matter who was not authorized to speak publicly ahead of the announcement.

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