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And so, another working week will soon draw to a close. Not a moment too soon, yes? This is, you may recall, our treasured signal to daydream about weekend plans. Our agenda, once again, is unsurprisingly modest. We plan to take a few naps, promenade with the official mascot, and take a few more naps. And what about you? This may be a good time to stimulate the economy and order some takeout from a favorite eatery. You could spend some time in front of the telly. Or you could reach out to someone feeling isolated. Well, whatever you do, have a grand time. But be safe — wear a mask. Enjoy, and see you soon. …

An Israeli study found that a single shot of the Covid-19 vaccine from Pfizer (PFE) and BioNTech (BNTX) is 85% effective in preventing symptomatic disease 15 to 28 days after being administered, a development that could help guide policy makers setting vaccine priorities worldwide, The Wall Street Journal says. The study also found a 75% drop in all Covid-19 infections after the first shot. The peer-reviewed study was published in the Lancet as a correspondence, meaning it represents the views of the authors and not the medical journal.

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