Table 3.

Incidence Rates and Hazard Ratios of Coronavirus Disease 2019 Diagnosis and Hospitalization Among Recombinant Zoster Vaccinated (≥1 Dose) Versus Unvaccinated Individuals, Among a Subset of Individuals Who Received Influenza Vaccination but no Other Vaccinations in the Year Prior to 1 March 2020

Outcome	Vaccinated (n = 37 513)			Unvaccinated (n = 75 026)			Hazard Ratio (95% CI)
	No. of Cases	No. of PY	Incidence per 1000 PY (95% CI)	No. of Cases	No. of PY	Incidence per 1000 PY (95% CI)	Unadjusted	Adjusteda
COVID-19 diagnosis	1356	30 677.70	44.20 (41.91–46.62)	3070	59 409.98	51.67 (49.88–53.54)	0.84 (.79–.90)	0.83 (.78–.89)
COVID-19 hospitalization	290	30 850.43	9.40 (8.38–10.55)	816	59 765.63	13.65 (12.75–14.62)	0.68 (.59–.78)	0.68 (.59–.78)

Abbreviations: CI, confidence interval; COVID-19, coronavirus disease 2019; PY, person-years.

Adjusted for covariates: body mass index, smoking, number of outpatient visits, and hypertension.