As the Delta variant sweeps the globe, scientists are learning more about why new versions of the coronavirus spread faster. The spike protein, which gives the virus its unmistakable shape, may hold the key.
ne efforts. The spike protein, which gives the virus its unmistakable shape, may hold the key. Illustration: Nick Collingwood/WSJNews moves fast, and there's not always time to untangle the complex forces driving the day's biggest stories. WSJ Explains breaks down big market moves, business and economic trends, and scientific developments to help you stay ahead of the curve.
Photo illustration: Carter McCall/WSJExperts say price increases reflect an economy on the upswing from pandemic lows, but higher demand has made some vacation essentials harder to come by. We explain why, plus share some strategies to help avoid the sticker shock.
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