A COVID-19 vaccine may come without a needle, the latest vaccine to protect without jabbing

Vaccines are traditionally administered with a needle, but this isn’t the only way. For example, certain vaccines can be delivered orally, as a drop on the tongue, or via a jet-like device. Vaccines that appear particularly suitable to needle-free technology are DNA-based ones, including a COVID-19 vaccine being developed in Australia. Needle-free vaccines are attractive as they cause less pain […]

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Tiny skin patch uses your sweat to measure health without a needle

Tiny skin patch the size of a dollar coin uses your sweat to measure health risks without a needle Blood tests are the standard test for most conditions   Sweat contains many chemicals that are important measures for conditions like cystic fibrosis, diabetes and kidney failure  Scientists at Northwestern University have developed a tiny wearable that acts like a lab on […]

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