🚨First real world analysis of omicron from S Africa:
- omicron 29% milder than initial covid variant
- two doses Pfizer 30% effective at reducing transmission (Delta: 80%)
- two doses Pfizer 70% effective at reducing hospitalisation (Delta 93%).
Entire thread worth reading https://t.co/beoEL3UD71

— Ed Conway (@EdConwaySky) December 14, 2021