Singapore scientists pursue booster vaccine to counter Covid-19 variants, other coronaviruses


Findings from a study involving survivors of Sars who received two shots of the Pfizer-BioNTech inoculation have raised hopes of what researchers say is a potential “dream vaccine” that can counter Covid-19, its variants and future coronaviruses that jump from animals to humans. Scientists from the Duke-NUS Medical School in Singapore and the government’s National Centre for Infectious Diseases (NCID) found that when people who had recovered from Sars (severe acute respiratory syndrome) were…

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