Tag: omicron immunity

[ad_1] Infection with the Omicron variant of SARS-CoV-2 provides little long-term immunity against other variants in unvaccinated people, according to a study published in the journal Nature. (Also read: South […]

Tags: covid immunityCOVID-19 strainsimmune responseomicron immunityOmicron mild symptomsomicron severitysars-cov-2unvaccinated population