A covid swab sample in buffer solution is dropped onto the test cassette of a FlowFlex lateral flow or rapid antigen test.
London, UK, 7 March 2022: A covid swab sample in buffer solution is dropped onto the test cassette of a FlowFlex lateral flow test. Since the government ended almost all coronavirus restrictions people who test positive with a rapid antigen test no longer need to get confirmation from a PCR test. While this saves money there is concern that new variants may not be identified. Anna Watson/Alamy Live News
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