In 2009, when WHO upgraded the bird-flu scare to a "pandemic level 6", I heard the news first on the ZH Twitter. Only one-two hours later did the usual agencies

In 2009, when WHO upgraded the bird-flu scare to a "pandemic level 6", I heard the news first on the ZH Twitter. Only one-two hours later did the usual agencies also reported this (probably because they were verifying it).