More data is needed to access the effectiveness of vaccines against the so-called Brazil variant of COVID-19, an British health official said on Monday.
"The current vaccines have not yet been studied against this variant, and we will need to wait for further clinical and trial data to understand the vaccine effectiveness against this variant," Susan Hopkins from Public Health England told a news conference.
(Reporting by Michael Holden and James Davey, editing by Alistair Smout)
