Coronavirus home testing kits have run out on the government website.
People trying to order lateral flow tests this morning have been met with an error message telling them to try again later.
The message said: "There are no more home tests available.
READ MORE: What Boris Johnson said in his announcement to the nation
"Sorry, there are no more home test kits available right now.
"Try again later. Or, you can go back and try to book a test site appointment instead."
The surge in demand comes after the government announced new rules for close contacts of Covid cases who are double jabbed.
Anyone who comes into contact with someone positive for the virus would normally receive a message from Track and Trace asking them to isolate but that is now being replaced with daily testing instead.
From Tuesday, anyone who is fully vaccinated who has come into contact with an infected person will be told to take daily lateral flow tests for seven days.
Unvaccinated adults must continue to self-isolate for ten days if they are a contact of someone with Covid-19.
In an address to the nation on Sunday night, Boris Johnson urged everyone eligible to "get boosted now", as the Omicron strain of the virus spreads in the UK.
He has confirmed everybody aged 18 and over will have the chance to get their booster before the New Year, bringing the previous target of boosting all adults by the end of January forward by an entire month.
Speaking on Sunday night, Boris Johnson also urged people to "not make the mistake of thinking Omicron can't hurt you".
The Prime Minister added: "At this point our scientists cannot say if it is any less severe, and even if that were true a wave of Omicron... could lead to many deaths."
Bookings for booster jabs will open for all adults aged 18 and over on Wednesday.
Receive newsletters with the latest news, sport and what's on updates from the Liverpool ECHO by signing up here.
