This page is no longer available on the CDC website, but I have retrieved it from April 29, 2021 via the Wayback Machine.
Information-for-laboratories-COVID-vaccine-breakthrough-case-investigation-April-29-2021
This page is no longer available on the CDC website, but I have retrieved it from April 29, 2021 via the Wayback Machine.
Information-for-laboratories-COVID-vaccine-breakthrough-case-investigation-April-29-2021