A team of researchers at McMaster University is working on an inhaled COVID-19 vaccine that offers better protection and is less costly to produce, store and ship.
Inhaled aerosols bypass the nasal passage and deliver vaccine droplets deep in the airway, where they can induce a broad protective immune response, researchers confirm.
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.
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