Discovery, South Africa’s largest health insurer, has released study results that show those who have had two doses of Pfizer vaccine are 70% less likely to be hospitalized compared to the unvaccinated.

It also found that hospital admissions have been less likely during the omicron wave compared to previous waves, suggesting lower severity. Observations suggest that respiratory distress is less common with the omicron variant relative to prior variants.

The insurer also found that the omicron variant has a higher rate of reinfection than previous variants.