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Friday 2 April 2021
Pfizer clinical trial reveals how long vaccine immunity may last
Pfizer said its vaccine can protect against Covid-19 for at least six months, but experts say that protection will likely last longer.
from CNN.com - RSS Channel - HP Hero https://www.cnn.com/videos/health/2021/04/01/pfizer-vaccine-protection-length-watt-dnt-tsr-vpx.cnn
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from CNN.com - RSS Channel - HP Hero https://www.cnn.com/videos/health/2021/04/01/pfizer-vaccine-protection-length-watt-dnt-tsr-vpx.cnn
via https://www.cnn.com/index.html
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