奥密克戎变异株新冠疫苗
Omicron-specific COVID-19 vaccine

Clinical trials for China's vaccine against Omicron variants are expected to conclude in three to four months, according to the vaccine developer on Wednesday.
4月27日，国药集团中国生物称，针对新冠病毒奥密克戎变异株的疫苗临床研究工作预计需要3—4个月左右的时间来完成。