Teachers and key workers 'will be added to priority list when Oxford vaccine is approved' but SAGE expert warns even a million jabs a week WON'T curb Covid crisis by February
Sir Jeremy Farrar said if UK hits 1m jabbed a week, it will not bring the end closer
The Wellcome Trust's director also noted importance of treating people globally
It follows the emergence of easily transmissible strain of the virus in South Africa
It comes as all of England's secondary schools will remain shut for most students
Doctors worry NHS could be quickly overwhelmed as hospital admissions surge