Combined CpG and MPL as vaccine adjuvants improve immunity and heterosubtypic protection against lethal viral challenge in single dose and prime/boost regimens
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: Combined CpG and MPL as vaccine adjuvants improve immunity and heterosubtypic protection against lethal viral challenge in single dose and prime/boost regimens ### Output: 