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Single Pfizer vaccine shot 90% effective after 21 days
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By Sola Ogundipe
A single dose of the Pfizer vaccine provides “very high” protection from Covid-19 after 21 days – without the need for a “top-up” dose in the recommended time frame, according to a new study from the University of East Anglia.
When researchers looked at data from Israel, where the vaccine has been rolled out, they found that the Pfizer vaccine becomes 90 percent effective after 21 days – supporting UK plans to delay the timing of a second injection.
However, they warn that people’s risk of infection doubled in the first eight days after vaccination – possibly because people become less cautious.
Single Pfizer shot 90 per cent effective after 21 days
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Not peer reviewed – modelling - humans
A single dose of the Pfizer vaccine provides “very high” protection from Covid-19 after 21 days - without a ‘top up’ dose in the recommended time frame, according to a new study from the University of East Anglia.
Researchers looked at data from Israel, where the vaccine has been rolled out.
They found that the Pfizer vaccine becomes 90 per cent effective after 21 days – supporting UK plans to delay the timing of a second injection.
But they warn that people’s risk of infection doubled in the first eight days after vaccination – possibly because people become less cautious.
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New research from King s College London shows nearly half of Intensive Care Unit (ICU) staff are likely to meet the threshold for PTSD, severe anxiety or problem drinking during the COVID-19 pandemic.
Results from a study of ICU healthcare workers, published today in
Occupational Medicine, shows the stark impact of working in critical care during the COVID-10 pandemic. The researchers found poor mental health was common in many ICU clinicians although they were more pronounced in nurses than in doctors or other healthcare professionals.
Lead author, Professor Neil Greenberg, from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN), King s College London said: