- COVID-19 natural immunity0.22 MB
This scientific brief replaces the WHO Scientific Brief entitled “’Immunity passports’ in the context of COVID-19”, published 24 April 2020.
This update is focused on what is currently understood about SARS-CoV-2 immunity from natural infection. More information about considerations on vaccine certificates or “passports” will be covered in an update of WHO interim guidance, as requested by the COVID-19 emergency committee.
Paper by the World Health Organization
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