They offer several advantages over conventional hypodermic needles such as causing minimal or no pain, avoiding the risks of needle stick injuries, and enabling self-administration of drugs and vaccines. The microneedle flu vaccine provides a pain-free, patient-friendly method of vaccination against seasonal influenza. https://logcla.com/blogs/511981/Microneedle-Flu-Vaccine-Market-is-Anticipated-to-Witness-Significant-Growth