Ebola is not as easily spread as viruses such as smallpox.

埃博拉病毒不像天花这类病毒那样容易传播。

《柯林斯英汉双解大词典》

Such infections appear to be more virulent and more easily spread between people than earlier strains.

这类感染似乎比较早出现的菌种更恶毒，并更容易在人们之间蔓延。

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Similar to an easily spread disease, a computer virus goes from computer to computer, either adding to or changing the tasks a program is designed to do.

和容易蔓延的疾病一样，电脑病毒由一个计算机传到另一个计算机，增加或改变原程序所执行的任务。

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The norovirus bug - which causes vomiting, stomach cramps, fever and diarrhoea - is easily spread from person to person.

BBC: Royal Lancaster Infirmary norovirus visiting ban lifted

Molluscum contagiousum is highly contagious and easily spread through skin-to-skin contact with someone who is infected or by touching contaminated objects such as a flannel or towel.

BBC: Women in bikinis

Currency and financial crises have strong cross-border spillover effects - instability can fairly easily spread even if neighboring countries' economic fundamentals are sound.

CNN: This monetary body would limit Crisis spillover effects