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Volume 9, Number 5—May 2003

Research

Seasonal Patterns of Invasive Pneumococcal Disease

Scott F. Dowell*†Comments to Author , Cynthia G. Whitney†, Carolyn Wright†, Charles E. Rose†, and Anne Schuchat†
Author affiliations: *International Emerging Infections Program, Bangkok, Thailand; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA

Main Article

Figure 5

Seasonal variations in U.S. electric utility gas consumption (a) and public construction expenditures (b). Both parameters correlated indirectly with the invasive pneumococcal disease rates (gas consumption: r –0.92 with a 22-month lag; and construction: r –0.84 with a 35-month lag). Data were obtained from the Energy Information Administration and the U.S. Census Bureau, respectively.

Figure 5. Seasonal variations in U.S. electric utility gas consumption (a) and public construction expenditures (b). Both parameters correlated indirectly with the invasive pneumococcal disease rates (gas consumption: r –0.92 with a 22-month lag; and construction: r –0.84 with a 35-month lag). Data were obtained from the Energy Information Administration and the U.S. Census Bureau, respectively.

Main Article

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