https://www.sciencealert.com/australia-is-trialling-a-tb-vaccine-for-coronavirus-and-health-workers-get-it-firsthttps://www.nytimes.com/reuters/2020/03/26/world/asia/26reuters-health-coronavirus-australia-vaccine.htmlhttps://www.bloomberg.com/news/articles/2020-03-30/century-old-vaccine-investigated-as-a-weapon-against-coronavirusДосаточно инфы? Или для Вас всё, что не на русском - недостаточно официально?