[ad_1] As a stealth wave of Covid makes its way across the U.S., those who have so far evaded the virus are now falling ill — while others are catching […]
Tag: omicron subvariants
Covid: Omicron variants are ‘escaping previous immunity’
[ad_1] A small-scale study in South Africa has seen a significant drop in people’s immunity to two new subvariants of omicron — even after they had been infected with the […]