Omicron ba.4/ba.5 escape neutralizing immunity elicited by ba.1 infection

HIGHLIGHTS

• who: Khadija Khan from the Informed consent and ethical statement Blood samples were obtained after written informed consent from adults with PCR-confirmed SARS-Co, infection who were enrolled in a prospective cohort study at the Africa Health Research Institute approved by the Biomedical Research Ethics Committee at the University of KwaZulu-Natal (reference BREC/00001275/2020)The Omicron/BA., and BA., was isolated from a residual swab sample with SARS-Co, isolation from the sample approved by the University of the Witwatersrand Human Research Ethics Committee (HREC) (ref., ). The sample to isolate Omicron/BA., was collected . . .
  

   

  

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