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Influenza vaccination in older people with diabetes and their household contacts.

Influenza vaccination in older people with diabetes and their household contacts.
Author Information (click to view)

Yang L, Nan H, Liang J, Chan YH, Chan L, Sum RW, Kwan YM, Zhou F, Meng H, Suen LK,


Yang L, Nan H, Liang J, Chan YH, Chan L, Sum RW, Kwan YM, Zhou F, Meng H, Suen LK, (click to view)

Yang L, Nan H, Liang J, Chan YH, Chan L, Sum RW, Kwan YM, Zhou F, Meng H, Suen LK,

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Vaccine 2017 01 1335(6) 889-896 pii S0264-410X(17)30007-5
Abstract
BACKGROUND
People with diabetes are at a higher risk of influenza infections and severe complications. The vaccination of close contacts could offer indirect protection to people with diabetes; this is known as "herd immunity." The aim of this study is to investigate the vaccination rates of people with diabetes and their household contacts in Hong Kong.

RESEARCH DESIGN AND METHODS
Face-to-face interviews with 158 patients diagnosed with Type 2 diabetes and aged ⩾65years were conducted in clinics. Telephone interviews were then conducted with 281 adult household contacts.

RESULTS
Seasonal influenza vaccination rates were 54.5% and 27.4%, in people with diabetes and their contacts, respectively. The vaccination status of patients was not significantly associated with the vaccination of their household contacts (p=0.073). Among household contacts, children or the elderly, the partners or couples of patients, and those with more hours of daily contact, or with chronic conditions, were associated with higher vaccination rates. However, only age remained significant after adjusting for confounding factors in logistic regression models.

CONCLUSIONS
The low vaccination rates of people with diabetes and their close contacts highlight the need to promote vaccination in susceptible populations and to educate the public about herd immunity.

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