Vaccine makers’ shares jump after bird flu death in US
美国出现禽流感死亡病例，疫苗制造商股价上涨

Moderna, Pfizer, CureVac and Novavax register gains as health agency stresses risk to public ‘remains low’
Moderna、辉瑞、CureVac和Novavax股价上涨，卫生机构强调对公众的风险“仍然很低” 。