COVID: Omicron subvariants are ‘escaping immunity’
You may be at risk of catching new COVID subvariants BA.4 or BA.5 even if you had the original omicron, as virologist Alex Sigal told DW’s Science Unscripted.
You may be at risk of catching new COVID subvariants BA.4 or BA.5 even if you had the original omicron, as virologist Alex Sigal told DW’s Science Unscripted.