Pfizer says its coronavirus vaccine is 90 per cent effective in ongoing large-scale trials

Pfizer said its experimental vaccine was more than 90 per cent effective in preventing COVID-19 based on initial data from a large study, a major victory in the fight against a pandemic that has killed over 1 million people.

متطوعة تتلقى جرعة من لقاح فايزر في ولاية اوهايو الأمريكية. Source: Cincinnati Childrens Hospital Medical Center

A vaccine jointly developed by Pfizer and BioNTech was 90 per cent effective in preventing COVID-19 infections in ongoing Phase 3 trials, the companies announced on Monday.

The news came as soaring coronavirus cases across the world have forced millions of people back into lockdown, causing further damage to ravaged economies.

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