The disease reservoir was controlled in each area. The bed nets were treated with 2.5% deltamethrin ( 15 mg/ m 2) in one area.

  • 各区在控制传染源的基础上,其中一区连续两年采用2.5%溴氰菊酯(15mg/m2)浸帐灭蚊;

  • 互联网摘选 2025-01-20 13:01:21

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