The Medical Research Institute of New Zealand (MRINZ) has made a major breakthrough in determining what needle length is required to ensure successful intramuscular (IM) deposition of vaccines. Most ...

Most people don’t want to think about the needle part of getting a vaccine any more than they have to — but you might want to start. Your weight may mean that you need a larger needle than you assumed ...

Americans of all shapes and sizes are heading to pharmacies and doctors' offices this fall for flu and Covid shots, but they may not know that size matters when it comes to the needle going into their ...