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Scientists Try To Figure Out If Summer Will Slow The Spread Of COVID-19

There are arguments that it might — and that it might not. Here's what researchers know so far.
The coronavirus outbreak began during the cold of winter in Wuhan, China. Scientists are asking if heat and humidity in countries like Malaysia (above, right) — and in regions where summer is soon starting — could slow transmission.

The worst outbreaks of COVID-19 so far have been in colder parts of the Northern Hemisphere during winter or early spring. Will warmer weather slow the transmission?

Could the Southern Hemisphere see outbreaks intensify as that part of the globe moves into winter?

And is it possible that transmission might be naturally interrupted as it is each year for the seasonal flu?

These are some of the key questions about COVID-19 that scientists are trying to answer.

"The seasonality of flu and other respiratory viruses has been known for hundreds of years, if not thousands," says Akiko Iwasaki, a at the Yale University School of Medicine. "During

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