The United States, India and Brazil lead in terms of the number of registered coronavirus infections, while the largest number of COVID-19-related deaths has been observed in the United States, Brazil, Mexico and India, according to Johns Hopkins University.
US President Joe Biden plans to procure an additional 100 million doses of Johnson & Johnson's single-dose coronavirus vaccine, White House COVID-19 adviser Andy Slavitt said.
Meanwhile, the European Union may face a third wave of coronavirus transmissions and fresh lockdowns this fall if states fail to roll out vaccines rapidly, the head of the Robert Koch Institute, Lothar Wieler, said.
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