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Winter will make the pandemic worse. Here’s what you need to know.

As the weather gets colder and people spend more time inside, improving air circulation and filters in buildings will be key to controlling covid-19.
by David H. Freedman

As we head into the Northern Hemisphere fall with covid-19 still raging in the US and a number of other parts of the world, two data points provide cause for extra concern.

One is that the seasonal flu—a respiratory viral infection like covid-19—is much more active in the winter. Last year in the US, there were 40 times as many flu cases in the fall and winter months as in the previous spring and summer.

Read more on technologyreview.com.

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