An aggressive Covid-19 variant called P.1 has spread from the Amazon to other parts of Brazil and has now been identified in U.S. cases. WSJ’s Paulo Trevisani reports from Porto Alegre’s overwhelmed hospitals, where doctors say young people are getting ill. Photo: Tommaso Protti for The Wall Street Journal
As highly transmissible coronavirus variants sweep across the world, scientists are racing to understand why these new versions of the virus are spreading faster, and what this could mean for vaccine efforts. New research says the key may be the spike protein, which gives the coronavirus its unmistakable shape. Illustration: Nick Collingwood/WSJ
With impeachment finished, Congress now returns to focusing on President Biden’s economic stimulus plan. But why do some economists say it could be too much?
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The second impeachment trial of former President Donald Trump begins this week as Republicans and his legal team argue the impeachment is unconstitutional.
And, South Africa has paused a planned deployment of a coronavirus vaccine from AstraZeneca after a study there showed it may be less effective against a new strain of the virus detected there. Also, how worried are U.S. health officials about variant strains of the virus in the U.S.?
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