Table 3.

Vaccine effectiveness (VE) for double doses of the BBV-152 and AZD1222 vaccines.

Vaccination status	COVISHIELD (AZD1222)				COVAXIN (BBV-152)
	Cases	Controls	VE (95% CI)	Adj. VE * (95% CI)	Cases	Controls	VE (95% CI)	Adj. VE * (95% CI)
Unvaccinated	713 (57.3)	532 (42.7)	Ref.	Ref.	713 (57.3)	532 (42.7)	Ref.	Ref.
Double dose	28 (28.6)	70 (71.4)	70.2% (53.1%−81.0%)	79.0% (65.4%−87.2%)	19 (32.2)	40 (67.8)	65.0% (38.9%−80.0%)	74.0% (50.5%−86.0%)

^*Adjusted for age, sex, and number of comorbidities.