概括
在尼日利亚传播了八年. 早期发现和干预可能会阻止全球传播.
科学领域:
- 流行病学
- 病毒病监测
背景情况:
- 在全球蔓延之前, 麻疹在尼日利亚已经流行了八年.
- 尼日利亚缺乏全面的监测和诊断能力.
- 在广泛传播之前,动物传染性溢出事件可能发生了多次.
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