yoramlevi66 dec. 20211 minuten om te lezenOmicron zou lastig kunnen zijn!"Preprint data from South Africa suggests that natural immunity may not be as protective as with prior variants."One and Done – Not with Omicron! (substack.com)
"Preprint data from South Africa suggests that natural immunity may not be as protective as with prior variants."One and Done – Not with Omicron! (substack.com)
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