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Volume 19, Number 6—June 2013

Research

Effect of Winter School Breaks on Influenza-like Illness, Argentina, 2005–2008

Roberto C. GarzaComments to Author , Ricardo Basurto-Dávila, Ismael R. Ortega-Sanchez, Luis Oreste Carlino, Martin I. Meltzer, Rachel Albalak, Karina Balbuena, Pablo Orellano, Marc-Alain Widdowson, and Francisco Averhoff
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (R.C. Garza, I.R. Ortega-Sanchez, M.I. Meltzer, R. Albalak, M.-A. Widdowson, F. Averhoff); Los Angeles County Department of Public Health, Los Angeles, California, USA (R. Basurto-Dávila); Ministerio de Salud de la Nación, Buenos Aires, Argentina (L.O. Carlino, K. Balbuena, P. Orellano)

Main Article

Table 1

Incidence of visits to a health care provider for influenza-like illness and timing of first week of winter school break in Argentina, by province, 2005–2008

City or province Region 2001 Argentina population, no. (%) Average weekly incidence
(95% CI)* Epidemiologic weeks of winter break†
2005 2006 2007 2008
Buenos Aires City
Pampas
2,776,138 (7.7)
16 (0.63–75.64)
28–29
28–29
30–31
31–32
Province
Buenos Aires Pampas 13,827,203 (38.1) 43 (3.63–149.38) 28–29 29–30 30–31 31–32
Catamarca Northwest 334,568 (0.9) 113 (14.47–299.56) 28–29 29–30 29–30 29–30
Cordoba Pampas 3,066,801 (2.7) 56 (5.83–184.77) 28–29 29–30 28–29 28–29
Corrientes Mesopotamia 930,991 (1.1) 59 (7.81–199.56) 28–29 29–30 28–29 29–30
Chaco Gran Chaco 984,446 (8.5) 143 (36.75–401.55) 29–30 29–30 29–30 30–31
Chubut Patagonia 413,237 (2.6) 100 (22.93–244.67) 28–29 29–30 28–29 28–29
Entre Rios Mesopotamia 1,158,147 (3.2) 113 (19.09–341.92) 28–29 29–30 28–29 29–30
Formosa Gran Chaco 486,559 (1.3) 122 (24.31–411.54) 28–29 29–30 28–29 29–30
Jujuy Northwest 611,888 (1.7) 127 (33.03–325.24) 28–29 28–29 29–30 29–30
La Pampa Pampas 299,294 (0.8) 84 (0–263.86) 28–29 28–29 28–29 29–30
La Rioja Northwest 289,983 (0.8) 11 (0–38.81) 28–29 29–30 28–29 29–30
Mendoza Cuyo 1,579,651 (4.4) 57 (0.35–171.09) 28–29 29–30 28–29 29–30
Misiones Mesopotamia 965,522 (2.7) 169 (28.49–604.50) 29–30 29–30 28–29 29–30
Neuquen Patagonia 474,155 (1.3) 78 (9.55–233.61) 29–30 29–30 29–30 29–30
Rio Negro Patagonia 552,822 (1.5) 57 (10.40–149.10) 30–31 29–30 29–30 29–30
Salta Northwest 1,079,051 (3.0) 158 (58.76–333.69) 28–29 29–30 28–29 29–30
San Juan Cuyo 620,023 (1.7) 36 (2.66–107.17) 28–29 28–29 28–29 29–30
San Luis Cuyo 367,933 (1.0) 75 (9.37–217.36) 28–29 28–29 28–29 29–30
Santa Cruz Patagonia 196,958 (0.5) 58 (9.48–138.03) 29–31 28–29 28–29 29–30
Santa Fe Pampas 3,000,701 (8.3) 38 (2.59–141.07) 28–29 29–30 28–29 29–30
Santiago del Estero Gran Chaco 804,457 (2.2) 90 (15.83–278.47) 29–30 29–30 29–30 29–30
Tucuman Northwest 1,338,523 (3.7) 102 (11.39–296.37) 28–29 29–30 28–29 29–30
Tierra del Fuego Patagonia 101,079 (0.3) 83 (0–223.01) 29–30 29–30 29–30 29–30
All Argentina Not applicable 36,260,130 63 (11.68–200.37) Not applicable

*Visits/100,000 population.
†For reference, epidemiologic week 28 is typically in mid-July.

Main Article

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