The U.S. added 47,813 virus cases, a 0.9% rise that compares with a 1% increase over the previous week. Nationwide deaths exceeded 1,000 for the fifth consecutive day. A measure of intensive-care hospitalizations in California rose to the highest in seven weeks.
Italy told nightclubs to close, matching a similar directive by Spain on Friday. France’s public health agency warned that all of the country’s Covid-19 indicators are trending upward.
Russia agreed in principle with Saudi Arabia and the United Arab Emirates to conduct clinical trials of its coronavirus vaccine, the head of its sovereign wealth fund said. China and Russia may also work together on a vaccine, a Chinese virus expert said.
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