Vải lọc cũ chống lại vi khuẩn tả
Các nhà nghiên cứu phát hiện thấy vi khuẩn tả và các loại vi khuẩn gây chết người khác có thể được loại bỏ ra khỏi nước uống bằng những miếng vải lọc đơn giản.
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