Waning effectiveness of BNT162b2 and ChAdOx1 COVID-19 vaccines over six months since second dose: a cohort study using linked electronic health records

Horne EMF., Hulme W., Keogh R., Palmer T., Williamson E., Parker EPK., Green A., Walker V., Walker A., Curtis H., Fisher L., MacKenna B., Croker R., Hopcroft L., Park R., Massey J., Morley J., Mehrkar A., Bacon S., Evans D., Inglesby P., Morton C., Hickman G., Davy S., Ward T., Dillingham I., Goldacre B., Hernán M., Sterne JAC.

DOI

10.1101/2022.03.23.22272804

Type

Preprint

Publication Date

2022

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