2.4.2. Background Characteristics

XL Xue Liang
JL Jiming Li
YF Yuan Fang
QZ Qingpeng Zhang
MW Martin C. S. Wong
FY Fuk-yuen Yu
DY Danhua Ye
PC Paul Shing-fong Chan
JK Joseph Kawuki
SC Siyu Chen
PM Phoenix K. H. Mo
ZW Zixin Wang
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Demographic characteristics (e.g., age, sex assigned at birth, education level, marital status), and lifestyle (i.e., smoking, and binge drinking in the past year) were collected. Participants also reported the presence of chronic diseases, COVID-19 history, and history of SIV and pneumococcal vaccination.

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