"The therapy, an injectable monoclonal antibody call|native to antimalarials used in areas where malaria is endemic; those drugs have to be ta(ed L9LS, offers a possible alter)ken for several days each month to be protective."
It's an inadvertent drag-and-drop in the word processor. The parenthesised part got moved from its original place at | to where it shouldn't be.
gregeganSF