The World Health Organization says that combining different COVID-19 vaccines is a feasible option to fast-track vaccination efforts.

世界卫生组织表示，联合使用不同新冠肺炎疫苗是一个可行的选择，可以快速推进疫苗接种工作。

New research in west Africa has shown combining an anti-malaria vaccine with a preventative drug lowered hospital admissions and deaths from the disease by more than 70%.

西非的最新研究发现，将抗疟疾疫苗和预防性药物结合使用可将该疾病导致的住院率和死亡率降低70%以上。

Combining the world's first malaria vaccine with anti-malarial tablets was found to be more effective than either approach on its own, reducing malaria deaths by 73 percent.

研究发现，将世界首个疟疾疫苗与抗疟疾药片结合使用比单独使用其中一种有效得多，可将疟疾的死亡率降低73%。