Volume 28, Number 11—November 2022
Research Letter
Vaccine Effectiveness against SARS-CoV-2 Variant P.1 in Nursing-Facility Residents, Washington, USA, April 2021
Figure

Figure. Date of first positive SARS-COV-2 specimen collection among residents in a skilled nursing facility, Washington, April 2021, Cases shown are restricted to the 17 resident cases included in vaccine effectiveness (VE) analysis. Testing was concentrated on point prevalence survey days. Units A and B were long-stay units; units C and D were short-stay units. Asterisk (*) indicates a resident who was discharged from a short-stay unit and later tested positive at an area hospital; dagger (†) indicates a resident who tested positive after symptom screening.
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