China and India both rolled out vaccines given through the nasal tissues last fall, though it’s not clear how well they may be working. Studies on the effectiveness of these vaccines have yet to be published, leaving much of the world to wonder whether this approach to protection really works in people.
Pfizer’s vaccine is already in the FDA approval process and Moderna CEO Stéphane Bancel told CNBC from Davos on Wednesday that it will be filing for FDA approval for its vaccine soon — it even had a plan in place for top executives to be ready to submit over the holidays if needed.
A combined vaccine for influenza and COVID-19 has the potential to simplify immunization practices against two severe respiratory diseases caused by evolving viruses that require vaccine adaptation.
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