On 11 May 2000 a lady found a new e-mail message on her computer, which simply said, "I love you". It looked innocent enough, perhaps even romantic. Like most of us would, she clicked to open the message, and the so-called "Love Bug" was born. With lightning speed it raced around the world, bringing politics and business to a halt. It was a deadly computer virus that caused millions of computer software programmes to crash. One virus, but so much contamination. But it’s not the first time that a single virus has caused so much grief to mankind. In fact, it’s a kind of replay of a deadlier virus that hit Planet Earth more than six thousand years ago
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