French pharmaceutical giant Sanofi and Britain's GSK announced Thursday the start of final tests of their belated Covid vaccine as they race to add their jab to the world's arsenal against the pandemic.

Sanofi, GSK launch final phase of Covid vaccine trials

From Pfizer to Moderna, while vaccine makers are announcing efficacy rates of their shots - What do they mean for you? What's the next step? When will the vaccine finally reach you? WION's Molly Gambhir has the answers

Gravitas: Vaccine tracker

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Sanofi, GSK launch final phase of Covid vaccine trials

Gravitas: Vaccine tracker