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Pfizer-BioNTech potential COVID-19 vaccine shows promise in additional data

Updated : July 21, 2020 07:48 AM IST

The companies said the data also demonstrated an induction of high level of T-cell responses against the novel coronavirus.
Experts have cautioned a safe and effective vaccine will take 12-18 months to develop.
Pfizer-BioNTech potential COVID-19 vaccine shows promise in additional data

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