Effectiveness level of Covid-19 vaccine by Pfizer is 95%
17 Dec 2020 / 12:48 H. The government had access to the data to assess the quality, safety and effectiveness of the vaccine. KUALA LUMPUR: The selection of the Covid-19 vaccine produced by international pharmaceutical company Pfizer is based on an interim report of clinical trials of its effectiveness level, which is 95 percent, the Dewan Rakyat was told today. Science, Technology and Innovation Minister Khairy Jamaluddin said the report was published in The New England Journal of Medicine on Dec 10, and even the government had access to the data to assess the quality, safety and effectiv...