Table 3 Incidence rate ratios of study outcomes between vaccine recipients not previously infected and non-vaccine recipients with a previous infection.

	Number of individuals	Event	Total duration of follow-up (person-days)	Incidence rate^a	Incidence rate ratio (95% confidence interval)^b, p-value
	Number of individuals	Event	Total duration of follow-up (person-days)	Incidence rate^a	Crude	Adjusted^c
SARS-CoV-2 infection
BNT162b2
Vaccinated with 2 doses of BNT162b2	1,556,405	126,907	341,094,574	37.206	Ref	Ref
With history of infection and unvaccinated	10,207	64	3,299,894	1.939	0.052 (0.041, 0.067), <0.001	0.622 (0.486, 0.795), <0.001
CoronaVac
Vaccinated with 2 doses of CoronaVac	1,105,711	92,900	231,341,350	40.157	Ref	Ref
With history of infection and unvaccinated	10,207	64	3,299,894	1.939	0.048 (0.038, 0.062), <0.001	0.746 (0.584, 0.953), 0.019
COVID-19 hospitalization
BNT162b2
Vaccinated with 2 doses of BNT162b2	1,556,405	3,343	344,734,316	0.970	Ref	Ref
With history of infection and unvaccinated	10,207	6	3,301,470	0.182	0.187 (0.084, 0.417), <0.001	0.793 (0.350, 1.799), 0.579
CoronaVac
Vaccinated with 2 doses of CoronaVac	1,105,711	3,026	233,887,234	1.294	Ref	Ref
With history of infection and unvaccinated	10,207	6	3,301,470	0.182	0.140 (0.063, 0.313), <0.001	2.197 (0.979, 4.932), 0.056
COVID-19 mortality
BNT162b2
Vaccinated with 2 doses of BNT162b2	1,556,405	94	344,887,368	0.027	Ref	Ref
With history of infection and unvaccinated	10,207	1	3,301,618	0.030	1.111 (0.155, 7.971), 0.916	1.413 (0.151, 13.186), 0.762
CoronaVac
Vaccinated with 2 doses of CoronaVac	1,105,711	350	233,980,242	0.150	Ref	Ref
With history of infection and unvaccinated	10,207	1	3,301,618	0.030	0.202 (0.029, 1.431), 0.109	2.397 (0.317, 18.104), 0.397

^aIncidence rate per 100,000 person-day.
^bIncidence rate ratios for outcomes with zero events were not estimated.
^cAdjusted for age, sex, number of days from the index date to the local Omicron outbreak (January 1, 2022), clinical history of chronic conditions before the index date (Supplementary Table 5), and medications prescribed within 90 days before the index date (Supplementary Table 6).

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