UK Privacy Group- DNA gathered from PCR swabs sold for millions and stored indefinitely.

Remember, this is part of biometric control to have your DNA fingerprint in store. It can also be potentially used to frame you in a staged crime scene.
STATUTORY INSTRUMENTS
2020 No. 973
NATIONAL SECURITY
The Coronavirus (Retention of Fingerprints and DNA Profiles in the Interests of National Security) (No. 2) Regulations 2020
"The Secretary of State, in accordance with section 24(3) of that Act, considers that coronavirus is having, or is likely to have, an adverse effect on the capacity of persons responsible for making national security determinations to consider whether to make, or renew, national security determinations and that it is in the interests of national security to retain the fingerprints or DNA profiles as provided for in these Regulations.

The Secretary of State has consulted the Commissioner for the Retention and Use of Biometric Material in accordance with section 24(6) of that Act."
https://www.legislation.gov.uk/uksi/2020/973/made?view=plain