Japan is set to approve on Wednesday test kits that can detect novel coronavirus antigens in 15 to 30 minutes as the country seeks to improve its testing regime, government sources said Saturday.The government will cover the new test under Japan's public insurance system, the sources said.Fujirebio Inc., the test kit producer, said it can supply 200,000 kits a week and will expand output if there is more demand.After the Tokyo-based company applied for approval in April, health minister Katsunobu Kato told parliament on Friday he would make a decision "within the next week.""They can be use…READ FULL ARTICLE