The University of Miyazaki said Wednesday its joint experiment has shown that a deep ultraviolet technology developed by a Japanese firm is effective in weakening the novel coronavirus.

"Deep UV-LEDs," developed by Nikkiso Co., have few harmful effects on the human body or the environment, according to the company. Deep ultraviolet has also proven effective against allergens, and the Tokyo-based firm has used it in its Aeropure air purifier.

Amid reports on the experiment, shares of Nikkiso surged nearly 14 percent Wednesday in Tokyo.

==Kyodo

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