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And so, another working week will soon come to an end. Not a moment too soon, yes? This is, you may recall, our treasured signal to daydream about weekend plans. Our agenda, so far, is rather modest. We hope to hang with our short person, promenade with the official mascot, and catch up on our reading. We may also tend to the Pharmalot grounds, weather permitting. And what about you? This is, of course, a fine time to enjoy the great outdoors — lakes and beaches are beckoning. Or perhaps you prefer to binge-watch a few shows. You could also touch base with those feeling isolated these days. Well, whatever you do, be safe — wear a mask in iffy places. Enjoy, and see you soon…

Pfizer (PFE) has touted a booster shot for its Covid-19 vaccine, but has not yet delivered conclusive proof and lacks late-stage clinical trial results to confirm it will work against variants, Kaiser Health News writes. In June, Pfizer was confident its vaccine could protect against the Delta variant, but weeks later planned to seek authorization for a booster, after early trial results showed a third dose may increase protection. At the end of July, Pfizer said that four to six months after a second dose, efficacy fell to 84%, but that a booster would increase immunity.

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