Researchers using a nasal vaccine approved in India and licensed for U-S development found that vaccinated hamsters didn’t spread the virus, unlike those receiving traditional injected vaccines.
Published on July 31 in Science Advances, these findings indicate that mucosal vaccines could be crucial for controlling respiratory infections like COVID-19 and influenza. Essam Al-Ghalib spoke with the study's author, Jacco Boon, a professor of medicine, of molecular microbiology and of pathology and immunology.AL-GHALIB: Dr Jacco Boon, thanks for joining us today, all the way from St. Louis, Missouri, in the United States.
BOON: Um, I cannot speak to the regulations in India. It's, they performed a very different type of study. They performed essentially a immunogenicity study. So there's a difference between an immunogenicity study and an efficacy study. immunogenicity is where you're measuring the immune response following a vaccine.
BOON: These are great questions. Certainly not on a daily basis. Now. We're hoping that similar to let's say the flu vaccine or even the COVID 919 vaccine, that you could take this once a year, maybe a little bit sooner. If there's if there's a new variant emerging that we have to respond to. But yeah, no, this is this should be taken in a similar way as the injectable vaccines just hoping to provide better protection than what we can currently provide.BOON: We don't know.
AL-GHALIB: So, what is the news? You know, it's still it hasn't been developed. It still hasn't been tested. We're not really sure when it's coming out. So what is the news? I mean, respectfully, I'm just what are we celebrating here?
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