（通过网络在个体之间迅速）病毒式的（传播）used to describe something that quickly becomes very popular or well known by being published on the internet or sent from person to person by email, phone, etc.
Here's a list of the top ten viral videos this week. 以下是本周十大病毒式传播的视频。
Within days the film clip went viral. 几天内这段电影视频便病毒式地传开了。