A single case report with clinical follow-up data; no control group, no outcome quantification beyond descriptive narrative, and no generalizable evidence for efficacy.
A narrative review synthesizing current knowledge on Nipah virus epidemiology, pathogenesis, clinical management, and emerging strategies, identifying research gaps and recommending integrated public health approaches rather than reporting primary clinical evidence.
A single case report with retrospective diagnostic revision; demonstrates clinical reasoning about diagnostic challenges but provides no comparative data, control group, or systematic outcome measurement to support generalizable evidence.