Claim: Five different people's Covid-19 swab tests are being sent off in one vial, so one positive test will contaminate the other four, giving five positives.
Fact-check: Group swab Covid-19 tests do not return positives to people without the virus - Full Fact
Verdict: there are currently some trials of pooling samples, meaning a few samples are tested together to save resources. if all come out negative, they don't need to be re-tested, but if any are positive, individual samples are tested again.
Organisation: Full Fact
Author: Grace Rahman
Date published: 2020-11-10T00:00:00