It is important that you keep yourself updated with the latest developments for COVID-19 as guidance from the Government, the NHS and the World Health Organisation (WHO) is constantly revolving on a regular basis and the information provided in this document is very likely to change.
Below are some links that you should get into the habit of referring to on a regular basis:
Government COVID-19 Guidance
Includes preventative measures and testing for COVID-19:
https://www.gov.uk/coronavirus
NHS COVID-19 Guidance
Includes symptom checker, self-isolation, social distancing, NHS test and trace:
https://www.nhs.uk/conditions/coronavirus-covid-19/
Government Guidance for full school opening
Explains what schools need to do:
World Health Organisation COVID-19 Guidance
https://www.who.int/emergencies/diseases/novel-coronavirus-2019/advice-for-public
NHS Test and Trace
Explains how the service works: