In numbers

An artist giving finishing touches to a mural depicting front-line workers carrying a syringe filled with Covid-19 vaccine in Kolkata last Saturday.

The number of people involved in the Phase 3 trial globally of the Covid-19 vaccine by Pfizer-BioNTech – the only vaccine approved for use in Singapore

The number of people involved in the Phase 3 trial of another vaccine front runner, developed by Moderna

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