The UK government's offered all over-50s and the most vulnerable a Covid-19 vaccine first dose.
The milestone comes several days before the April 15th target and means those in their 40s are now being offered a jab.
The Moderna vaccine is also now being rolled out in England.
However, surge testing is being implemented in parts of South London where a cluster of cases of the South Africa-discovered variant has been discovered.
Professor of virology Lawrence Young says vigilance is needed as lockdown eases.
IN: "It's a...
OUT: ...transmission."
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