Health
Immunity from first vaccine dose could be as low as 33%, health chief warns – Yahoo News Australia
The immunity offered by the Pfizer vaccine after a single jab was previously estimated to be “around 90%”.
A doctor preparing to administer the vaccine in Sheffield. (Getty)
The level of immunity offered by a single dose of one of the COVID vaccines could be as low as 33%, a medical chief has warned.
Professor Anthony Harnden, deputy chair of the Joint Committee on Vaccination and Immunisation (JCVI), has said he is examining data from a study carried out in Israel that appears to suggest two doses of the Pfizer/BioNTech jab are needed before high levels of immunity can be reached.
At the end of December,…
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