PETALING JAYA: The government will carry out a two-dose policy under the National Covid-19 Immunisation Programme although a study had shown that a single dose of the Pfizer-BioNTech vaccines had up to 85% efficacy against the virus, says Khairy Jamaluddin (pic).
The Science, Technology and Innovation Minister also said that there have been recent reports by a country that the first dose of the Pfizer vaccine offers 85% efficacy.
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