McMaster scientists found a common tuberculosis vaccine triggers an immune-communicating mechanism from the gut that offers broad protection against respiratory pathogens in the lung.
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.
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