The Japanese government is set to destroy 77 percent of the COVID-19 oral medications it purchased during the novel coronavirus pandemic as they remain unused, an estimate based on government data showed Saturday. Of the oral drugs secured for 5.6 million people, those for 4.3 million people remain unused. The drugmakers have already made the medications available to the public and the government can only provide them in the event of an emergency after the legal status of the disease was downgraded to the same category as seasonal flu in May last year, the health ministry said. The remaining X…