Nickie
02-03-2021, 03:20
A top health expert says highly contagious variants of the virus pose a "real threat" to the US.
More... (https://www.bbc.co.uk/news/world-us-canada-56247656)
More... (https://www.bbc.co.uk/news/world-us-canada-56247656)
View Full Version : Covid-19 variants pose 'real threat' to vaccine progress, CDC warns