It could be available before the end of the year.
https://www.washingtonpost.com/world/europe/vaccine-coronavirus-oxford-italy-trials/2020/06/20/4b8f5e0a-af1c-11ea-98b5-279a6479a1e4_story.html
https://www.washingtonpost.com/world/europe/vaccine-coronavirus-oxford-italy-trials/2020/06/20/4b8f5e0a-af1c-11ea-98b5-279a6479a1e4_story.html