研发抗病毒新药的美国吉利德公司股价周五上涨8.1%。此前STAT新闻报道称，芝加哥一家医院在一项临床治疗新冠病毒患者试验中，给患者使用了新药瑞德西韦后，患者迅速从严重症状中恢复。请看本报昨日的报道：

A Gilead Sciences antiviral drug is reportedly showing promise for treatment of the coronavirus.

Remdesivir is causing “rapid recoveries in fever and respiratory symptoms, with nearly all patients discharged in less than a week” at a Chicago hospital, medical site STAT reported. ...

Evercore ISI drug industry analyst Umer Raffat wrote late Thursday in a research note that it’s “not a silver bullet” but there’s reason to be “cautiously optimistic.”

报道中的silver bullet直译就是“银子弹”，用来比喻能迅速解决难题的神奇武器，在欧洲传说中被认为是狼人和吸血鬼的克星，有驱魔的效力。例如：

He said there is no “silver bullet” that will undo the damage caused by the recession.

他说目前并没有万能解药能弥补经济衰退所造成的破坏。