Lots of false information abounds. Please be assured that everything on this page is proven and reliable.
and how the kits work https://www.gov.uk/government/publications/how-tests-and-testing-kits-for-coronavirus-covid-19-work/for-patients-the-public-and-professional-users-a-guide-to-covid-19-tests-and-testing-kits
As well as some good people around there are some really nasty ones too who will take advantage of the current situation and who can be fairly persuasive. Dorset Police have issued advice which is well worth reading;
Dorset County Hospital Charity has launched the DCH COVID-19 Appeal to raise funds to provide extra support to the hospital’s staff working under immense pressure during the coronavirus pandemic. If you would like to donate to the DCH COVID-19 Appeal please visit the appeal page of the Dorset County Hospital on their website https://www.dchft.nhs.uk/about/DCH-charity/Pages/COVID-19-Appeal.aspx