Robinredbreast
Oracle
Just google, that's what I did and a few came up, including this one : but, if the person becomes ill reach for 111, or worryingly ill, 999
https://www.nhs.uk/conditions/coron...-and-treatment/how-to-treat-symptoms-at-home/
https://www.nhs.uk/conditions/coron...-and-treatment/how-to-treat-symptoms-at-home/