BRITAIN-HEALTH-VIRUS-POLITICS

Britain's Prime Minister Boris Johnson speaks during a virtual press conference inside 10 Downing Street in central London on December 19, 2020. - British Prime Minister Boris Johnson on Saturday announced a "stay at home" order for London and southeast England to slow a new coronavirus strain that is significantly more infectious. The new strain of the virus "does appear to be passed on significantly more easily," Johnson said at a televised briefing. He ordered new restrictions for London and south-eastern England from Sunday, saying that under the new "tier four" rules, "residents in those areas must stay at home" at least until December 30. (Photo by TOBY MELVILLE / POOL / AFP) (Photo by TOBY MELVILLE/POOL/AFP via Getty Images)