A coronavirus vaccine by Christmas is a real possibility, but won't stop the second wave from taking hold. That's the message from England's deputy chief medical officer Jonathan Van-Tam, who was speaking at tonight's press conference with Prime Minister Boris Johnson.
Professor Van-Tam said there is a long way to go yet for the vaccine, which needs to be declared safe by the regulator and there are many hurdles to get past.
He said: "We can be opportunistic, but we need to wait and see." Professor Van-Tam told a No 10 news conference that the latest Pfizer and BioNTech trials represented a significant scientific breakthrough.
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