Relative vaccine effectiveness against influenza-related hospitalizations and respiratory events during the 2019/20 influenza season in U.S. children and adults. A Real-World Evidence comparison between quadrivalent cell-based and egg-based influenza vaccines
Influenza Vaccine
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: Identify all the mentioned drugs in the given text. Text may or may not contain drug. If they contain more than 1 drug, use ";" as delimiter and join them. ### Input: Relative vaccine effectiveness against influenza-related hospitalizations and respiratory events during the 2019/20 influenza season in U.S. children and adults. A Real-World Evidence comparison between quadrivalent cell-based and egg-based influenza vaccines ### Output: Influenza Vaccine