The Latest: Nations enroll youths in trial of China vaccine
JOHANNESBURG - South Africa has started vaccinating children and adolescents as part of the global Phase 3 clinical trials of China's Sinovac Biotech shot for children 6 months to…
JOHANNESBURG - South Africa has started vaccinating children and adolescents as part of the global Phase 3 clinical trials of China's Sinovac Biotech shot for children 6 months to…