Pfizer’s Covid-19 vaccine is extremely effective (90%)
Pfizer’s Covid-19 vaccine is 90% effective, according to data from its Phase-3 clinical trial involving 43 538 participants.
The World Health Organisation (WHO) recommends that successful vaccines should show a disease risk reduction of at least 50%.

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Pfizer expects to supply 50 million doses of its vaccine this year and up to 1.3 billion in 2021.
The Money Show’s Bruce Whitfield interviewed Dr Glenda Gray, CEO at Medical Research Council.
Gray is, according to Forbes magazine, one of Africa’s most powerful women.
This is a wonderful outcome… incredibly exciting…
Dr Glenda Gray, CEO - Medical Research Council
It [Pfizer vaccine] needs two doses and requires enormous refrigerator capability…
Dr Glenda Gray, CEO - Medical Research Council
South Africa was involved in the Pfizer study…
Dr Glenda Gray, CEO - Medical Research Council
Everybody is tired of this pandemic… this is great news… We can start working on making it affordable, and available...
Dr Glenda Gray, CEO - Medical Research Council
Listen to the interview in the audio below.
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