Natural immunity from Omicron infection weak, limited, study finds
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. In experiments using mice and blood samples from donors who were infected with Omicron, researchers at Gladstone Institutes and University of California, San Francisco (UCSF) in the US found … Read more