coronavirus Updated Covid-19 boosters continue to offer substantial protection even against the rapidly spreading XBB.1.5 subvariant – CNN Posted on January 25, 2023 by admin Updated Covid-19 boosters continue to offer substantial protection even against the rapidly spreading XBB.1.5 subvariant CNN admin Updated Covid-19 boosters continue to offer substantial protection, even against rapidly spreading XBB.1.5 subvariant – CNN COVID-19 deaths in the US continue to be undercounted, research shows, despite claims of ‘overcounts’ – The Conversation