[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 […]
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[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 […]