What a load of crap. Are the people in the UK that dumb? If you test negative, it just means you don't have it TODAY. What about next week? Oh, you tested negative so now you can go anywhere and do anything because you tested negative so.... yoou..... caaaaan't ....... uuuuuuuuuh......... caaaaatch.........it.......... or............Oh Shit!!! Uhhhh..... Nevermind.