Hong Kong Med J 2014;20(Suppl 4):S7-8
Does chronic psychosocial stress modulate immunity to influenza vaccine in Hong Kong Chinese elderly?
SYS Wong, J Woo, FWK Chan, CWK Lam, PKS Chan, CK Wong
Department of Community and Family Medicine, School of Public Health, The Chinese University of Hong Kong
1. The linear increase trend in the T-helper/suppressor ratio from 6 to 12 weeks was lower in elderly caregivers than non-caregivers (P=0.0041).
2. Caregivers had higher levels of inflammatory cytokine IL-6, which is an indicator of depression and poor health in older adults.