Imagine a virus that could travel like the flu—and kill like HIV

Imagine a virus that could travel like the flu—and kill like HIV .『One so small that it would be almost impossible to identify, let alone halt.』Films like Outbreak play on our fears of a “killer virus” scenario , but those films are works of fiction, right?
【正确答案】：
这种病毒小得几乎无法识别，更不用说阻遏其活动了。