A staff wearing a face mask walks into the Vaccination Centre at ExCel exhibition centre in London, Britain, on Jan. 12, 2021. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

People wearing face masks walk past the Vaccination Centre at ExCel exhibition centre in London, Britain, Jan. 12, 2021. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

A staff member(R) wearing a face mask is seen in the Vaccination Centre at ExCel exhibition centre in London, Britain, Jan. 12, 2021. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

A security personnel is seen outside the Vaccination Centre at ExCel exhibition centre in London, Britain, Jan. 12, 2021. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

Photo taken on Jan. 12, 2021 shows a general view of the Vaccination Centre at ExCel exhibition centre in London, Britain. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

A man wearing a face mask walks past the Vaccination Centre at ExCel exhibition centre in London, Britain, Jan. 12, 2021. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

A staff wearing a face mask is seen in the Vaccination Centre at ExCel exhibition centre in London, Britain, Jan. 12, 2021. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

People wearing face masks walk into the Vaccination Centre at ExCel exhibition centre in London, Britain, Jan. 12, 2021. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

A staff member wearing a face mask is seen in the Vaccination Centre at ExCel exhibition centre in London, Britain, Jan. 12, 2021. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

People walk into the Vaccination Centre at ExCel exhibition centre in London, Britain, on Jan. 12, 2021. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

Photo taken on Jan. 12, 2021 shows a general view of Vaccination Centre at ExCel exhibition centre in London, Britain. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.

People are seen inside the Vaccination Centre at ExCel exhibition centre in London, Britain, Jan. 12, 2021. British Prime Minister Boris Johnson on Monday warned against "false complacency" as the country is seeking to speed up the coronavirus vaccine rollout. According to the prime minister, 2.4 million coronavirus jabs have been administered across Britain. Seven new mass vaccination sites in England opened Monday, as the country races against time to bring the pandemic under control.