Sajid Javid urges public to get their booster vaccinations
New targets would see doctors and other medical officials offer boosters to one million more people, increasing from 2.5 million to 3.5 million. Coming changes would also see age boundaries lowered, as ministers aim to cover every adult by the new year. But recent data casts doubt on whether the NHS can accomplish this, as it is still attempting to catch up with targets set in September.
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When can you get your Covid vaccine?
The ambitious new NHS targets come as the service struggles to meet others.
In September, NHS England revealed it would aim to complete vaccinations for 12 to 15-year-olds by the October half term.
But the holiday - which fell between October 26 and 30 this year - came and went, and that target with it.
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Just one in three children within the age group living in London has received their first jab, figures from the House of Commons Library show.
Regions currently bearing most of the Covid burden are also struggling, as just 40 percent of the group have had a single jab in the northwest and Midlands.
And this may not change much over the next few months.
Despite heroic attempts from NHS personnel to cover the UK as it struggles under the weight of increasing hospitalisations, the new variant has forced it to refocus its attention elsewhere.
Scientists fear Omicron could bypass some protection afforded by the vaccine, and boosters are the Government's answer to the developing threat.
Ministers have asked the NHS to redouble its vaccine targets and cover more people after cutting booster waiting periods.