Ainos (AIMD) said Monday it was granted an invention patent in Japan for its oral interferon formulation Veldona to treat and prevent coronavirus infections.

The new patent includes 15 claims covering Veldona's formulation, delivery mechanisms, and therapeutic applications, the company said.

The Japan approval follows a recent patent approval in Taiwan, Ainos said.

Shares of Ainos were down more than 4% in recent trading.

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