title: FDA grants Fast Track designation for Pfizer’s C. diff vaccine candidate.
mesh_terms: D001428:Bacterial Vaccines / Q000276:immunology / Q000627:therapeutic use*; D016360:Clostridioides difficile / Q000276:immunology*; D017277:Drug Approval; D004761:Enterocolitis, Pseudomembranous / Q000276:immunology* / Q000382:microbiology / Q000517:prevention & control*; D006801:Humans; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D001428:Bacterial Vaccines