Scientists at Kansas State University are working with a biopharmaceutical company to advance a COVID-19 vaccine based on weakened bovine parainfluenza 3 virus invented by Waithaka Mwangi, a professor of diagnostic pathobiology in the university's College of Veterinary Medicine. The vaccine candidate can be injected or administered nasally, triggers production of immunoglobulin A and T cells, and is likely to be safe across all age groups.
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