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U.S. regulators plan to decide by early July on whether to change the design of COVID-19 vaccines this fall in order to combat more recent variants of the coronavirus, with hopes of launching a booster campaign by October, a top Food and Drug Administration official said on Tuesday.

Although a handful of companies have dominated the COVID-19 vaccine market in the U.S. and Europe — Pfizer-BioNTech, Moderna, Johnson & Johnson, AstraZeneca-Oxford — a number of companies are continuing to develop vaccines in hopes they can be used as booster shots. 

A look at some of the latest COVID-19 news includes the U.S. Food and Drug Administration’s plans to review changes to Novavax’s manufacturing process before the regulatory agency authorizes the company’s vaccine. Moderna expects to submit data to regulators soon with expectations of the company’s bivalent COVID-19 vaccine—consisting of the original Spikevax vaccine and a newer version, mRNA-1273.214 that contains an Omicron-specific vaccine—becoming available in late summer.

Advisers to the U.S. Food and Drug Administration on Tuesday voted overwhelmingly to recommend that the regulatory agency authorize Novavax Inc.’s COVID-19 vaccine for use in adults, which the drugmaker hopes can become the shot of choice among some American vaccine skeptics.

Advisers to the U.S. Food and Drug Administration will consider whether to recommend Novavax Inc.’s COVID-19 vaccine for adults, which the drugmaker hopes can become the shot of choice among some American vaccine skeptics.

U.S. Food and Drug Administration staff said on Friday they were concerned about a possible risk of heart inflammation from Novavax Inc.’s vaccine, even as the company’s data showed the vaccine was effective in reducing the risk of mild-to-severe COVID-19.