Two doses from either the Oxford/AstraZeneca or the Pfizer vaccine are over 80 per cent effective in preventing infection from the B1.617.2 variant of Covid-19, first discovered in India, a new UK government study has reportedly found. The UK findings are said to be based on data from Public Health England (PHE). The data also shows that the two doses provide 87 per cent protection from the B.117 variant, first discovered in Kent region of England.