Influenza continues to rage in some parts of the US; try these 4 quick questions on vaccines you may or may not have on hand.
Terry Brenneman, MD
Pre-orders for the following year's flu vaccine usually start in January and need to be completed by sometime in March. Let's take a look back at the season in progress and see what you know about the 2023-2024 vaccines.
Question 1. How many quadrivalent influenza vaccines were FDA-licensed for use in the US as of December 2023?