https://www.reuters.com/article/us-health-coronavirus-ozone/japan-researchers-say-ozone-effective-in-neutralising-coronavirus-idUSKBN25M0SO?fbclid=IwAR1iWXvgOpIvIuEy58e_4698EsElAZVdbPauT7HbeiDUAjA-9LI8tYvehhw
