Ms Lucas argued instead for a vaccination programme for badgers and cattle, along with improved testing and biosecurity.
But he also revealed that the vaccination programme would start with those performing in the National Day Parade.
That fell to 67 when the vaccination programme started in September and fell again to 46 in October.
The Department of Health says 400 deaths a year from cervical cancer will be prevented by the vaccination programme.
The government has embarked on a mass vaccination programme against the "C" strain.
The Welsh Conservatives' rural affairs spokesman Antoinette Sandbach AM said the Welsh government trial vaccination programme "remains a costly gamble".
BBC: Bovine TB in Wales 'out of control' claims farming union
Prof Finn said the UK was "getting close to the point where we have the best vaccination programme in the world".
There is still time to broker a deal as the vaccination programme will not be started until regulators have approved the vaccine.
He said the extent of the vaccination programme would pose "significant challenges".
Children are offered a whooping cough vaccine at two, three and four months of age as part of the routine childhood vaccination programme.
With measles cases in the Swansea area exceeding 800, Abertawe Bro Morgannwg University Health Board said it was continuing its vaccination programme in schools.
The vaccination programme runs in surgeries and medical centres across Scotland.
Since the vaccination programme was introduced in 2008, 89% of Year 9 girls received the first dose, with 85% and 83% receiving the second and third.
Extending the vaccination programme is expected to lead to a similar dramatic decrease in cases of group C meningitis and septicaemia in 20 to 24 year olds.
Only last week an emergency vaccination programme was ordered in Cairo after samples of the polio virus were found in sewage - the strain matches that in southern Pakistan.
After the US raid in which Bin Laden was killed, Dr Afridi was swiftly taken into custody for running a fake vaccination programme which helped the US in their hunt for him.
He told the GMC hearing, which started last month, how he backed the introduction of MMR as early as 1986, at a time when Britain's measles vaccination programme was lagging behind even Third World countries.
Meanwhile, Dr Marion Lyons, head of the vaccination programme for PHW, told BBC Wales of worries about the growing number of cases in the old county of Montgomeryshire, where 50 have been reported recently in Welshpool.
BBC: Swansea measles epidemic expected to peak in four weeks
They are not expecting that amount for what may turn out to be a mass vaccination programme, but have argued in talks that they need extra money to cover staffing and administration costs and the overtime they may need to do.
Northern Ireland is conducting research into an eradication programme involving vaccination and selected culling of badgers with signs of TB infection.
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