suspension i fyldt injektionssprøjte clinical trials

A Pragmatic Randomized Trial to Evaluate the Effectiveness of High-Dose Quadrivalent Influenza Vaccine vs. Standard-Dose Quadrivalent Influenza Vaccine in Older Adults

This study is looking at whether a high-dose flu vaccine works better than the standard flu vaccine for older adults. It aims to see if the high-dose vaccine helps prevent hospital stays due to flu or pneumonia.