Bulletin of the World Health Organization

The population-based burden of influenza-associated hospitalization in rural western Kenya, 2007–2009

Daniel R Feikin, Maurice O Ope, Barrack Aura, James A Fuller, Stella Gikunju, John Vulule, Zipporah Ng’ang’a, M Kariuki Njenga, Robert F Breiman & Mark Katz

Volume 90, Number 4, April 2012, 256-263A

Table 4. Hospital admissions associated with respiratory illness and influenza in two time periods, Bondo district, Kenya, June 2007–May 2009

Characteristic No. (%) of inpatients with respiratory illness
Year 1a Year 2b Both years
Recorded 2007 (100) 1917 (100) 3924 (100)
With swabs collected 1205 (60.0) 1184 (61.8) 2389 (60.9)
With swabs tested 1129 (93.7)c 950 (80.2)c 2079 (87.0)c
With influenza, A virus 83 (7.4)d 94 (9.9)d 177 (8.5)d
With influenza, B virus 4 (0.4)d 24 (2.5)d 28 (1.3)d

a June 2007–May 2008.

b June 2008–May 2009.

c The denominator for this percentage is the number of patients with swabs collected in the period indicated.

d The denominator for this percentage is the number of patients with swabs tested in the period indicated.