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Inhaled vaccine provides protection against COVID-19, according McMaster study
McMaster University say recent animal studies have proven a pair of inhaled vaccines are effective against the original coronavirus that causes COVID-19 and variants of concern.In an update through the online journal Cell, Phase 1 clinical trials are underway to evaluate the aerosol vaccines in healthy adults who have already received a pair of mRNA COVID-19 vaccine doses, such as Pfizer-BioNTech or Moderna, according to the university scientists.Studies to date show the new method, which targets the lungs and upper airways, where respiratory infections typically begin, is effective against the original strain of SARS-CoV-2 and variants of concern.The model is built around a tuberculosis vaccine established by Zhou Xing, co-lead author at McMaster’s Immunology Research Centre and Department of Medicine. McMaster University researchers to begin human trials of inhaled COVID-19 vaccine “What we’ve discovered from many years’ research is that the vaccine delivered into the lung induces all-around protective respiratory mucosal immunity, a property that the injected vaccine is lacking,” Xing said in a release.The aerosol doses, manufactured at the Robert E.