全球肆虐

Bird Flu Spreads to More Countries禽流感全球肆虐：多国进入紧急状态Avian flu has reached new areas of the world and has become a year-round problem, animal and disease experts warn.动物和疾病专家警告说，禽流感已经蔓延到世界上新的地区，并已成为一个全年的

眼下新冠病毒依然在全球肆虐，疫情相关词频频入选各大词典的年度词汇，《韦氏词典》也不例外。该词典选出的2021年度词汇是从去年火到今年的“疫苗”（vaccine）。A nurse prepares a dose of the of coronavirus disease (COVID-19) vacc