Were vaccinated people exposed to new variants?

Name: Were vaccinated people exposed to new variants?
Uploaded: 2022-08-04T12:30:00+00:00
Duration: 3 min 20 s
Channel: DW (English)
Description: DW science correspondent Derrick Williams looks at the question of whether there have been COVID-19-related studies with healthy test subjects being deliberately exposed to pathogens under strict conditions.

DW (English)

DW science correspondent Derrick Williams looks at the question of whether there have been COVID-19-related studies with healthy test subjects being deliberately exposed to pathogens under strict conditions.

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