2Nicholson KG, Kent J, Hammersley V, et al. Risk factors for lower respiratory complications of rhinovirus infections in elderly people living in the community: prospective cohort study. BMJ,1996,313:1119-1123.
3Fleming DM. The contribution of influenza to combined acute respiratory infections, hospital admissions, and deaths in winter. Commun Dis Public Health,2000,3:32-38.
4Nguyen-Van-Tam JS, Brockway CR, Pearson JCG, et al. Excess hospital admissions for pneumonia and influenza in persons ＞or=65 years associated with influenza epidemics in three English health districts: 1987-1995. Epidemiol Infect, 2001,126:71-79.
5Thompson WW, Shay DK, Weintraub E, et al. Mortality associated with influenza and respiratory syncytial virus in the United States. JAMA,2003,289:179-186.
6Naghavi M, Wyde P, Litovsky S, et al. Influenza infection exerts prominent inflammatory and thrombotic effects on the atherosclerotic plaques of apolipoprotein E-deficient mice. Circulation, 2003, 107: 762-768.
7Madjid M, Naghavi M, Litovsky S, et al. Influenza and cardiovascular disease:a new opportunity for prevention and the need for further studies. Circulation,2003,108:2730-2736.
8Nicholls JM,Poon LL,Lee KC,et al. Lung pathology of fatal severe acute respiratory syndrome. Lancet, 2003;361:1773-1778.
9Lee N,Hui D,Wu A,et al. A major outbreak of severe acute respiratory syndrome in Hong Kong. N Engl J Med, 2003;348:1986-1994.
10Nichol K, Margolis K, Wuorenma J, et al. The efficacy and cost effectiveness of vaccination against influenza among elderly persons living in the community. N Engl J Med,1994,331:778-784.
