Activating CD73 on B cells as a target for immunotherapy of COVID-19 and viral associated cancers: Clinical activity in human papilloma virus positive (HPV) head and neck squamous cell cancers (HNSCC)
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: Activating CD73 on B cells as a target for immunotherapy of COVID-19 and viral associated cancers: Clinical activity in human papilloma virus positive (HPV) head and neck squamous cell cancers (HNSCC) ### Output: 