|An undated handout picture made available by the German pharmaceutical company Biontec shows the dosing of BNT162b2, the mRNA-based vaccine candidate against COVID-19, during the clinical test ©EPA
One of the scientists behind the Pfizer Covid-19 vaccine says he's confident that normal life will return by next winter.
Professor Ugur Sahin, chief executive of BioNTech, said it was 'absolutely essential' to have a high vaccination rate before autumn next year to ensure success.
He acknowledged that the next few months will be 'hard' and that the promising preliminary results on the vaccine, created in partnership with Pfizer, will not have an impact on infection numbers in the current wave.
Interim results from the jab were found to be more than 90% effective, the two firms announced last week, but safety and additional efficacy data continue to be collected.
'If everything continues to go well, we will start to deliver the vaccine end of this year, beginning next year,' Prof Sahin told the BBC's Andrew Marr Show.
'Our goal is to deliver more than 300 million of vaccine doses until April next year, which could allow us to already start to make an impact.
'The bigger impact will happen until summer, the summer will help us anyway because the infection rate will go down in summer.'
He added: 'What is absolutely essential is that we get a high vaccination rate before autumn/winter next year, so that means all the immunisation, vaccination approaches must be accomplished before next autumn.
'I'm confident that this will happen, because a number of vaccine companies have been asked to increase the supply, and so that we could have a normal winter next year.'
Prof Sahin said on Sunday the 'key side effects' seen so far were a mild to moderate pain in the injection site for a few days, while some of the participants had a mild to moderate fever for a similar period.
It comes amid calls from Labour for emergency legislation to 'stamp out' conspiracy theories about coronavirus vaccines ahead of any potential rollout.
Speaking on Sky's Sophy Ridge On Sunday show, shadow health secretary Jonathan Ashworth said there should be penalties for social media platforms which allow misinformation to spread.
He said fewer people choosing to take the jab due to online misinformation was 'the last thing we want', while calling on the Government to deal with 'some of the dangerous, nonsensical anti-vax stuff that we've seen spreading on social media'.
On Saturday, the Government said a further 462 people had died within 28 days of testing positive for Covid-19.
As of 9am on Saturday, there had been a further 26,860 lab-confirmed cases of coronavirus in the UK, slightly down from 27,301 on Friday.
Elsewhere, Professor John Edmunds, a member of the Scientific Advisory Group for Emergencies (Sage), urged a long-term strategy when it comes to balancing the economy and the pandemic.
He raised concerns about 'flip-flopping' between incentives, such as Eat Out To Help Out, and closures.
'We need to take a long-term view and be sensible and realise that we're going to have to have restrictions in place for some time,' he told the PA news agency.
'Yes, we can lift them when it's safe to do so, which will be primarily when large numbers of people have been vaccinated.
'But flip-flopping between encouraging people to mix socially, which is what you're doing by encouraging people to go to restaurants and bars, versus then immediately closing them again, isn't a very sensible way to run the epidemic.'
Prof Edmunds, of the London School of Hygiene and Tropical Medicine, also said it was 'too early to judge' if December 2 was too soon to lift the current lockdown restrictions.
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