Fig. 1. Antibody responses to pneumococcal pneumonia vaccine (mean ± SEM) before vaccination and 2 weeks, 1 month, 3 months, and 6 months after vaccination for current caregivers, former caregivers, and controls.
Fig. 1. Antibody responses to pneumococcal pneumonia vaccine (mean ± SEM) before vaccination and 2 weeks, 1 month, 3 months, and 6 months after vaccination for current caregivers, former caregivers, and controls.