Anti-JC Virus Serostatus Changes Before and During the COVID-19 Pandemic in US Patients with Multiple Sclerosis (MS) Treated with Natalizumab
Natalizumab
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: Anti-JC Virus Serostatus Changes Before and During the COVID-19 Pandemic in US Patients with Multiple Sclerosis (MS) Treated with Natalizumab ### Output: Natalizumab