Blood tests are generally safe and noninvasive, but they carry a small risk of complications. A person may feel slight pain or discomfort when the needle penetrates the skin, for example.

University of Strathclyde Prof Connolly hopes the trial could mean fewer blood tests using needles Prof Connolly added: "If the trial confirms this, then it opens up the way for wearable devices ...

Carilion Clinic is the first health system in Virginia to to provide its patients needle-free blood draws ... It saved me from the pain and tears of multiple needlesticks. It truly transformed ...

1,2 "We are excited to be the first in Virginia to implement this novel needle-free blood draw technology ... It saved me from the pain and tears of multiple needlesticks. It truly transformed ...