这个词是什么意思？
A species of ENTEROVIRUS which is the causal agent of POLIOMYELITIS in humans. Three serotypes (strains) exist. Transmission is by the fecal-oral route, pharyngeal secretions, or mechanical vector (flies). Vaccines with both inactivated and live attenuated virus have proven effective in immunizing against the infection.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017955 · MeSH 2026。
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