Early signs have suggested Omicron causes a milder illness. Photo: AFP
Early signs have suggested Omicron causes a milder illness. Photo: AFP

Omicron could ‘push Delta out’ by boosting immunity against it, study suggests

  • People previously infected by Omicron variant developed more immunity to Delta, potentially reducing its ability to reinfect, South African research finds
  • There could be wider implications for the pandemic if Omicron displaces Delta, but experts warn further evidence is needed that the former causes milder illness

Topic |   Coronavirus pandemic
Early signs have suggested Omicron causes a milder illness. Photo: AFP
Early signs have suggested Omicron causes a milder illness. Photo: AFP
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