http://www.nhs.uk/news/2017/07July/Pages/Could-cows-be-the-clue-that-leads-to-an-HIV-vaccine.aspx
C Costas Administrator Staff member Jul 24, 2017 #1 http://www.nhs.uk/news/2017/07July/Pages/Could-cows-be-the-clue-that-leads-to-an-HIV-vaccine.aspx