1. Pink Sheet

Moderna, Janssen And ‘Mix & Match’ Boosters Create A ‘Not Simple’ Array Of Dosing Options

 
• By Sue Sutter

After US FDA authorization for additional COVID vaccine shots, the focus now shifts to CDC’s advisory committee, which may be concerned about variations in eligible populations, timing and dosing when it comes to giving a booster different from the primary vaccination series.

Hedge maze
Getting a COVID-19 booster may involve navigating a maze of considerations around primary vaccination series, timing, dose and eligibility. • Source: Alamy

The US Food and Drug Administration’s emergency use authorization of Moderna, Inc. and Janssen Biotech Inc. COVID-19 vaccine booster doses, as well as heterologous “mix and match” booster strategies for the three currently available vaccines, will add further complexity to immunization recommendations that already vary by product, eligible population and dose.

On 20 October, the agency authorized a single booster dose for Moderna’s mRNA vaccine in three high-risk groups at least...

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