Would you take a COVID shot if no needles were involved? Researchers at Cambridge University Hospitals in Great Britain hope so and are currently recruiting volunteers to test them out.
The injection consists of a powder delivered in a puff of air aimed at your arm through a special spring-powered jet injection “gun.” Researchers indicated that they hope such a delivery system will help boost vaccine uptake in low- and middle-income countries.
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Cambridge University Hospitals April 24, 2023