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The Covid-19 pandemic continued to pick up speed this week in Europe, but also declined in other regions of the world. Here is the global state of play based on an AFP database.
The emergence of two new variants of Sars-CoV-2, which are potentially far more infectious versions of the virus, has prompted widespread concern. This is what we know about the mutations.
As several countries prepare to ease sweeping restrictions in place to slow the coronavirus pandemic, experts say the openings should be enacted with caution to avoid a fresh wave of infection