US flu vaccine trials may be effort wasted

 作者:戚弓泡     |      日期:2019-03-02 01:12:02
By Debora MacKenzie THE first human trials of a vaccine against H5N1 bird flu are likely to be a waste of time and money. The formulations that the US plans to test are thought likely to be ineffective – and even if they do work it will take far too long to manufacture enough doses to prevent a pandemic strain wreaking havoc. Other countries are following more promising approaches,