Ask Derrick: What if I don’t know I’m infected and I get vaccinated? | DW News - latest news and breaking stories | DW | 26.11.2021

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DW News

Ask Derrick: What if I don’t know I’m infected and I get vaccinated?

We ask our science correspondent Derrick Williams: What happens if I don’t know I’m infected and I get vaccinated?

Watch video 02:23