We've been hearing the term "herd immunity" throughout the pandemic. Is it possible to achieve it through vaccination? And how does it actually work?
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Ugur Sahin said the EU could see herd immunity by July or August, as countries step up their vaccination programs. The 27-member bloc has been widely criticized for a slow vaccine rollout.
The European Commission says its coronavirus vaccine drive is now on course to secure 70% inoculation of the EU's adult population by mid-July.
The German-developed coronavirus vaccine has become the first to get the go ahead for use among children aged 12 and up.
A key infection index in the country has reached its lowest point since March. Meanwhile, Japan has put more prefectures under a state of emergency, just months ahead of the Olympics. Follow DW for the latest.
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