Vaccine developed by Sinovac is effective in over half of those who were vaccinated

Vaccine was developed by Chinese drugmaker Sinopharm

Sinopharm first non-Western vaccine approved by WHO

South Africa carries the bulk of the continent's cases, with 1.49 million confirmed infections and 4

Vaccine developed jointly with Oxford University has been limited due to lack of data on efficacy am

Tedros calls study suggesting vaccine minimally effective against the South African variant 'concern

Johannesburg said it would pause its AstraZenaca inoculation program because of the vaccine's limite

European Medicines Agency calls vaccine effective, despite concerns about older people