Moderna Says a 3rd Dose of Its COVID-19 Vaccine Will Be Needed Before Winter

(AP Photo/Matt Slocum, File)

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Vaccine maker Moderna believes people who received two doses of its COVID-19 vaccine will need a third dose before winter as a booster shot.

The company said Thursday it is also working on a single shot that would provide an annual booster for COVID-19, as well as flu and the respiratory condition RSV.

“We believe that increased force of infection resulting from Delta, non-pharmaceutical intervention (NPI) fatigue, and seasonal effects (moving indoors) will lead to an increase of breakthrough infections in vaccinated individuals,” the company said in an investor presentation posted to its website.

Moderna said early-stage testing showed its booster candidate was effective against COVID variants of concern, including delta.

According to the latest CDC data, some 63.6 million Americans have been fully vaccinated using the Moderna two-dose sequence.



  1. I’m not sure what is going on exactly, but I don’t know how we can trust what Moderna says about things that make them money (like billions), especially when it’s said at an investor meeting. I think independent analyses (like testing for antibodies etc) are required before moving to such a step, especially when these vaccines are only under emergency approval now. I personally am not interested in the strong possibility of a few days of uncomfortable down time from taking the shot, so I will probably opt out

  2. This won’t ever end as long as companies can make gazillions in money liability free
    Don’t trust the FDA and CDC they’re funded by big pharma and most of the people who are in charge there make a fortune off of big pharma personally as well either by drug patents or good jobs in pharma when they quit the FDA /CDC