Johnson and Johnson announced on Friday that it's single dose vaccine was 66% effective in preventing Cove in 19 in a large global try alot against multiple variants in the study of nearly 44,000 volunteers across three continents, the level of protection against moderate and severe Cove in 19 varied from 72% in the United States to 66% in Latin America but just 57% in South Africa, where a particularly worrying variant has been circulating.
強生公司週五宣佈,它的單劑量疫苗在預防19中的庫夫中66%有效,在一個大型的全球嘗試alot對多個變體的研究中,近44,000名志願者在三個大陸,對中度和嚴重的庫夫中19的保護水準從美國的72%到拉丁美洲的66%不等,但只有57%在南非,其中一個特別令人擔憂的變體一直在流傳。