The Government has encouraged everyone eligible to get their booster in the face of the "highly infectious" Omicron variant.
Adults are eligible for a booster jab three months after their second vaccine but they can book after two months.
There has also been an increased demand for booster vaccines, with many people spending hours in queues at walk-in clinics to get booster vaccine.
READ MORE: All the Covid rules now in place after Boris Johnson's Plan B measures approved
The national booking system was overwhelmed on Monday as over-30s became eligible to book their booster vaccine.
Even with the issues on the website, the NHS in England said it booked in 14 vaccine appointments per second, with more than 390,000 boosters booked.
It is urging people to book their appointments online or by calling 119 to guarantee their vaccine.
Over-18s will be able to book their booster from Wednesday, though some will have already been able to access boosters through walk-in clinics.
By using the In Your Area coronavirus widget you can take a look at how many people have already had their booster jabs within Merseyside.
Take a look below to see how many people have had their Covid-19 booster jab in your area.
For example - Liverpool's Albert Dock & Queen's Dock area
According to IYA, 1,599 (18.9%) of people have already had their booster jab in this area.
To find out how many people have had their booster jabs in your area, insert your postcode below:
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