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Scientists fear COVID-19 variant is ‘taking the edge off’ vaccines – Sydney Morning Herald
AstraZeneca says it is awaiting fresh data on its vaccine’s ability to combat a new COVID-19 variant after clinical trials for rival innoculations showed reduced…
Based on early studies, Pfizer has said it does not expect a significant reduction in the effectiveness of its vaccine. The company says it can quickly adjust its vaccine if necessary.
However, that is based on laboratory studies, not human data. And all four vaccines use different technologies but have an identical core component a piece of the virus spike protein they try to generate an immune response to.
Nurse Novita Sirait gives a COVID-19 vaccine to a colleague at a community health centre…
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