Posted in Article Researchers confirm newly developed inhaled vaccine delivers broad protection against SARS-CoV-2, variants of concern 2022-02-11 Leave a Comment on Researchers confirm newly developed inhaled vaccine delivers broad protection against SARS-CoV-2, variants of concern Because inhaled vaccines target the lungs and upper airways where respiratory viruses first enter the body, they are far more effective at inducing a protective immune response, the researchers report. Source: Researchers confirm newly developed inhaled vaccine delivers broad protection against SARS-CoV-2, variants of concern