Volume 27, Number 10—October 2021
Research
Direct and Indirect Effectiveness of mRNA Vaccination against Severe Acute Respiratory Syndrome Coronavirus 2 in Long-Term Care Facilities, Spain
Figure 2

Figure 2. Cumulative incidence of documented severe acute respiratory syndrome coronavirus 2 infection in long-term care facilities estimated from adjusted hazards models, Spain, December 27, 2020–March 10, 2021. A) Standardized risk in the vaccinated with no previous infection and its reference group; B) standardized risk in the vaccinated with previous infection and its reference group; C) standardized risk in nonvaccinated (indirectly protected) with no previous infection and its reference group; D) standardized risk in nonvaccinated (indirectly protected) with previous infection and its reference group. Solid lines indicate study group; dotted lines indicate reference group.
1These senior authors contributed equally to this article.
2Group members are listed at the end of this article.