Following this puts new work involving it at the top of your briefing, with a note saying why it is there. Links are taken from the source record, never inferred.
Single-center retrospective observational study of modest size with no control group, reporting feasibility and safety outcomes but lacking power to assess efficacy and generalizability.
This is a descriptive cross-sectional survey of knowledge and attitudes among Chinese rheumatologists regarding herpes zoster vaccination, with no comparator group or clinical outcome data; it identifies practice gaps and barriers but provides no evidence of intervention efficacy or clinical impact.