Natural immunity from Omicron without vaccine is weak and limited: Study - Business Standard

Without vaccination, an infection with Omicron fails to confer robust immunity against other Covid-19 variants, finds a study.

Without vaccination, an infection with Omicron fails to confer robust immunity against other Covid-19 variants, finds a study. In experiments using mice and blood samples from donors who were infect… [+4247 chars]

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