How do I complete the immunologist's request? [spoilers]
For a spoiler free answer, I will say that you should expect how to do them to be revealed later if you don't know how to do them now.

Why shouldn't there be objectives that you cannot do. Remember that you only need to complete a specified number of objectives each month NOT all of them.

If that is not satisfying then below is a spoiling hint:


   You get the item for the immunologist by doing the search objectives