Likewise, Johnson & Johnson revealed Friday that its new single-dose vaccine was 72 percent effective in the U.S. but only 57 percent effective in South Africa.
Khonamanjalo, i-J & J imemezele ngoLwesihlanu ukuthi ukusebenza ngokugoma kufinyelele kuma-72% e-U.S., Uma kuqhathaniswa no-57% kuphela eNingizimu Afrika.