A booster of Johnson & Johnson’s COVID-19 vaccine confirmed indicators of considerably bolstering the immune defenses of examine topics, federal well being regulators stated Wednesday.

The regulators cautioned, nonetheless, that information was restricted they usually needed to depend on J&J’s personal evaluation for a few of the examine findings, somewhat than conducting their very own.

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The Food and Drug Administration staff gave their evaluation of the J&J booster information as a part of the company’s evaluate of the corporate’s request for authorization of the second dose.

After authorizing boosters for seniors and sure high-risk individuals who bought the COVID-19 vaccine from Pfizer Inc. and BioNTech SE, the FDA is now contemplating whether or not to clear further doses of the photographs from J&J and Moderna. It can also be weighing whether or not doses may very well be blended amongst totally different vaccines.